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-rw-r--r--vendor/github.com/prometheus/common/LICENSE201
-rw-r--r--vendor/github.com/prometheus/common/NOTICE5
-rw-r--r--vendor/github.com/prometheus/common/README.md12
-rw-r--r--vendor/github.com/prometheus/common/expfmt/decode.go429
-rw-r--r--vendor/github.com/prometheus/common/expfmt/encode.go88
-rw-r--r--vendor/github.com/prometheus/common/expfmt/expfmt.go38
-rw-r--r--vendor/github.com/prometheus/common/expfmt/fuzz.go36
-rw-r--r--vendor/github.com/prometheus/common/expfmt/text_create.go303
-rw-r--r--vendor/github.com/prometheus/common/expfmt/text_parse.go753
-rw-r--r--vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt67
-rw-r--r--vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go162
-rw-r--r--vendor/github.com/prometheus/common/model/alert.go136
-rw-r--r--vendor/github.com/prometheus/common/model/fingerprinting.go105
-rw-r--r--vendor/github.com/prometheus/common/model/fnv.go42
-rw-r--r--vendor/github.com/prometheus/common/model/labels.go210
-rw-r--r--vendor/github.com/prometheus/common/model/labelset.go169
-rw-r--r--vendor/github.com/prometheus/common/model/metric.go103
-rw-r--r--vendor/github.com/prometheus/common/model/model.go16
-rw-r--r--vendor/github.com/prometheus/common/model/signature.go144
-rw-r--r--vendor/github.com/prometheus/common/model/silence.go106
-rw-r--r--vendor/github.com/prometheus/common/model/time.go249
-rw-r--r--vendor/github.com/prometheus/common/model/value.go416
22 files changed, 0 insertions, 3790 deletions
diff --git a/vendor/github.com/prometheus/common/LICENSE b/vendor/github.com/prometheus/common/LICENSE
deleted file mode 100644
index 261eeb9e9..000000000
--- a/vendor/github.com/prometheus/common/LICENSE
+++ /dev/null
@@ -1,201 +0,0 @@
- Apache License
- Version 2.0, January 2004
- http://www.apache.org/licenses/
-
- TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
- 1. Definitions.
-
- "License" shall mean the terms and conditions for use, reproduction,
- and distribution as defined by Sections 1 through 9 of this document.
-
- "Licensor" shall mean the copyright owner or entity authorized by
- the copyright owner that is granting the License.
-
- "Legal Entity" shall mean the union of the acting entity and all
- other entities that control, are controlled by, or are under common
- control with that entity. For the purposes of this definition,
- "control" means (i) the power, direct or indirect, to cause the
- direction or management of such entity, whether by contract or
- otherwise, or (ii) ownership of fifty percent (50%) or more of the
- outstanding shares, or (iii) beneficial ownership of such entity.
-
- "You" (or "Your") shall mean an individual or Legal Entity
- exercising permissions granted by this License.
-
- "Source" form shall mean the preferred form for making modifications,
- including but not limited to software source code, documentation
- source, and configuration files.
-
- "Object" form shall mean any form resulting from mechanical
- transformation or translation of a Source form, including but
- not limited to compiled object code, generated documentation,
- and conversions to other media types.
-
- "Work" shall mean the work of authorship, whether in Source or
- Object form, made available under the License, as indicated by a
- copyright notice that is included in or attached to the work
- (an example is provided in the Appendix below).
-
- "Derivative Works" shall mean any work, whether in Source or Object
- form, that is based on (or derived from) the Work and for which the
- editorial revisions, annotations, elaborations, or other modifications
- represent, as a whole, an original work of authorship. For the purposes
- of this License, Derivative Works shall not include works that remain
- separable from, or merely link (or bind by name) to the interfaces of,
- the Work and Derivative Works thereof.
-
- "Contribution" shall mean any work of authorship, including
- the original version of the Work and any modifications or additions
- to that Work or Derivative Works thereof, that is intentionally
- submitted to Licensor for inclusion in the Work by the copyright owner
- or by an individual or Legal Entity authorized to submit on behalf of
- the copyright owner. For the purposes of this definition, "submitted"
- means any form of electronic, verbal, or written communication sent
- to the Licensor or its representatives, including but not limited to
- communication on electronic mailing lists, source code control systems,
- and issue tracking systems that are managed by, or on behalf of, the
- Licensor for the purpose of discussing and improving the Work, but
- excluding communication that is conspicuously marked or otherwise
- designated in writing by the copyright owner as "Not a Contribution."
-
- "Contributor" shall mean Licensor and any individual or Legal Entity
- on behalf of whom a Contribution has been received by Licensor and
- subsequently incorporated within the Work.
-
- 2. Grant of Copyright License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- copyright license to reproduce, prepare Derivative Works of,
- publicly display, publicly perform, sublicense, and distribute the
- Work and such Derivative Works in Source or Object form.
-
- 3. Grant of Patent License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- (except as stated in this section) patent license to make, have made,
- use, offer to sell, sell, import, and otherwise transfer the Work,
- where such license applies only to those patent claims licensable
- by such Contributor that are necessarily infringed by their
- Contribution(s) alone or by combination of their Contribution(s)
- with the Work to which such Contribution(s) was submitted. If You
- institute patent litigation against any entity (including a
- cross-claim or counterclaim in a lawsuit) alleging that the Work
- or a Contribution incorporated within the Work constitutes direct
- or contributory patent infringement, then any patent licenses
- granted to You under this License for that Work shall terminate
- as of the date such litigation is filed.
-
- 4. Redistribution. You may reproduce and distribute copies of the
- Work or Derivative Works thereof in any medium, with or without
- modifications, and in Source or Object form, provided that You
- meet the following conditions:
-
- (a) You must give any other recipients of the Work or
- Derivative Works a copy of this License; and
-
- (b) You must cause any modified files to carry prominent notices
- stating that You changed the files; and
-
- (c) You must retain, in the Source form of any Derivative Works
- that You distribute, all copyright, patent, trademark, and
- attribution notices from the Source form of the Work,
- excluding those notices that do not pertain to any part of
- the Derivative Works; and
-
- (d) If the Work includes a "NOTICE" text file as part of its
- distribution, then any Derivative Works that You distribute must
- include a readable copy of the attribution notices contained
- within such NOTICE file, excluding those notices that do not
- pertain to any part of the Derivative Works, in at least one
- of the following places: within a NOTICE text file distributed
- as part of the Derivative Works; within the Source form or
- documentation, if provided along with the Derivative Works; or,
- within a display generated by the Derivative Works, if and
- wherever such third-party notices normally appear. The contents
- of the NOTICE file are for informational purposes only and
- do not modify the License. You may add Your own attribution
- notices within Derivative Works that You distribute, alongside
- or as an addendum to the NOTICE text from the Work, provided
- that such additional attribution notices cannot be construed
- as modifying the License.
-
- You may add Your own copyright statement to Your modifications and
- may provide additional or different license terms and conditions
- for use, reproduction, or distribution of Your modifications, or
- for any such Derivative Works as a whole, provided Your use,
- reproduction, and distribution of the Work otherwise complies with
- the conditions stated in this License.
-
- 5. Submission of Contributions. Unless You explicitly state otherwise,
- any Contribution intentionally submitted for inclusion in the Work
- by You to the Licensor shall be under the terms and conditions of
- this License, without any additional terms or conditions.
- Notwithstanding the above, nothing herein shall supersede or modify
- the terms of any separate license agreement you may have executed
- with Licensor regarding such Contributions.
-
- 6. Trademarks. This License does not grant permission to use the trade
- names, trademarks, service marks, or product names of the Licensor,
- except as required for reasonable and customary use in describing the
- origin of the Work and reproducing the content of the NOTICE file.
-
- 7. Disclaimer of Warranty. Unless required by applicable law or
- agreed to in writing, Licensor provides the Work (and each
- Contributor provides its Contributions) on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
- implied, including, without limitation, any warranties or conditions
- of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
- PARTICULAR PURPOSE. You are solely responsible for determining the
- appropriateness of using or redistributing the Work and assume any
- risks associated with Your exercise of permissions under this License.
-
- 8. Limitation of Liability. In no event and under no legal theory,
- whether in tort (including negligence), contract, or otherwise,
- unless required by applicable law (such as deliberate and grossly
- negligent acts) or agreed to in writing, shall any Contributor be
- liable to You for damages, including any direct, indirect, special,
- incidental, or consequential damages of any character arising as a
- result of this License or out of the use or inability to use the
- Work (including but not limited to damages for loss of goodwill,
- work stoppage, computer failure or malfunction, or any and all
- other commercial damages or losses), even if such Contributor
- has been advised of the possibility of such damages.
-
- 9. Accepting Warranty or Additional Liability. While redistributing
- the Work or Derivative Works thereof, You may choose to offer,
- and charge a fee for, acceptance of support, warranty, indemnity,
- or other liability obligations and/or rights consistent with this
- License. However, in accepting such obligations, You may act only
- on Your own behalf and on Your sole responsibility, not on behalf
- of any other Contributor, and only if You agree to indemnify,
- defend, and hold each Contributor harmless for any liability
- incurred by, or claims asserted against, such Contributor by reason
- of your accepting any such warranty or additional liability.
-
- END OF TERMS AND CONDITIONS
-
- APPENDIX: How to apply the Apache License to your work.
-
- To apply the Apache License to your work, attach the following
- boilerplate notice, with the fields enclosed by brackets "[]"
- replaced with your own identifying information. (Don't include
- the brackets!) The text should be enclosed in the appropriate
- comment syntax for the file format. We also recommend that a
- file or class name and description of purpose be included on the
- same "printed page" as the copyright notice for easier
- identification within third-party archives.
-
- Copyright [yyyy] [name of copyright owner]
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
diff --git a/vendor/github.com/prometheus/common/NOTICE b/vendor/github.com/prometheus/common/NOTICE
deleted file mode 100644
index 636a2c1a5..000000000
--- a/vendor/github.com/prometheus/common/NOTICE
+++ /dev/null
@@ -1,5 +0,0 @@
-Common libraries shared by Prometheus Go components.
-Copyright 2015 The Prometheus Authors
-
-This product includes software developed at
-SoundCloud Ltd. (http://soundcloud.com/).
diff --git a/vendor/github.com/prometheus/common/README.md b/vendor/github.com/prometheus/common/README.md
deleted file mode 100644
index 98f6ce24b..000000000
--- a/vendor/github.com/prometheus/common/README.md
+++ /dev/null
@@ -1,12 +0,0 @@
-# Common
-[![Build Status](https://travis-ci.org/prometheus/common.svg)](https://travis-ci.org/prometheus/common)
-
-This repository contains Go libraries that are shared across Prometheus
-components and libraries.
-
-* **config**: Common configuration structures
-* **expfmt**: Decoding and encoding for the exposition format
-* **log**: A logging wrapper around [logrus](https://github.com/Sirupsen/logrus)
-* **model**: Shared data structures
-* **route**: A routing wrapper around [httprouter](https://github.com/julienschmidt/httprouter) using `context.Context`
-* **version**: Version informations and metric
diff --git a/vendor/github.com/prometheus/common/expfmt/decode.go b/vendor/github.com/prometheus/common/expfmt/decode.go
deleted file mode 100644
index a7a42d5ef..000000000
--- a/vendor/github.com/prometheus/common/expfmt/decode.go
+++ /dev/null
@@ -1,429 +0,0 @@
-// Copyright 2015 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package expfmt
-
-import (
- "fmt"
- "io"
- "math"
- "mime"
- "net/http"
-
- dto "github.com/prometheus/client_model/go"
-
- "github.com/matttproud/golang_protobuf_extensions/pbutil"
- "github.com/prometheus/common/model"
-)
-
-// Decoder types decode an input stream into metric families.
-type Decoder interface {
- Decode(*dto.MetricFamily) error
-}
-
-// DecodeOptions contains options used by the Decoder and in sample extraction.
-type DecodeOptions struct {
- // Timestamp is added to each value from the stream that has no explicit timestamp set.
- Timestamp model.Time
-}
-
-// ResponseFormat extracts the correct format from a HTTP response header.
-// If no matching format can be found FormatUnknown is returned.
-func ResponseFormat(h http.Header) Format {
- ct := h.Get(hdrContentType)
-
- mediatype, params, err := mime.ParseMediaType(ct)
- if err != nil {
- return FmtUnknown
- }
-
- const textType = "text/plain"
-
- switch mediatype {
- case ProtoType:
- if p, ok := params["proto"]; ok && p != ProtoProtocol {
- return FmtUnknown
- }
- if e, ok := params["encoding"]; ok && e != "delimited" {
- return FmtUnknown
- }
- return FmtProtoDelim
-
- case textType:
- if v, ok := params["version"]; ok && v != TextVersion {
- return FmtUnknown
- }
- return FmtText
- }
-
- return FmtUnknown
-}
-
-// NewDecoder returns a new decoder based on the given input format.
-// If the input format does not imply otherwise, a text format decoder is returned.
-func NewDecoder(r io.Reader, format Format) Decoder {
- switch format {
- case FmtProtoDelim:
- return &protoDecoder{r: r}
- }
- return &textDecoder{r: r}
-}
-
-// protoDecoder implements the Decoder interface for protocol buffers.
-type protoDecoder struct {
- r io.Reader
-}
-
-// Decode implements the Decoder interface.
-func (d *protoDecoder) Decode(v *dto.MetricFamily) error {
- _, err := pbutil.ReadDelimited(d.r, v)
- if err != nil {
- return err
- }
- if !model.IsValidMetricName(model.LabelValue(v.GetName())) {
- return fmt.Errorf("invalid metric name %q", v.GetName())
- }
- for _, m := range v.GetMetric() {
- if m == nil {
- continue
- }
- for _, l := range m.GetLabel() {
- if l == nil {
- continue
- }
- if !model.LabelValue(l.GetValue()).IsValid() {
- return fmt.Errorf("invalid label value %q", l.GetValue())
- }
- if !model.LabelName(l.GetName()).IsValid() {
- return fmt.Errorf("invalid label name %q", l.GetName())
- }
- }
- }
- return nil
-}
-
-// textDecoder implements the Decoder interface for the text protocol.
-type textDecoder struct {
- r io.Reader
- p TextParser
- fams []*dto.MetricFamily
-}
-
-// Decode implements the Decoder interface.
-func (d *textDecoder) Decode(v *dto.MetricFamily) error {
- // TODO(fabxc): Wrap this as a line reader to make streaming safer.
- if len(d.fams) == 0 {
- // No cached metric families, read everything and parse metrics.
- fams, err := d.p.TextToMetricFamilies(d.r)
- if err != nil {
- return err
- }
- if len(fams) == 0 {
- return io.EOF
- }
- d.fams = make([]*dto.MetricFamily, 0, len(fams))
- for _, f := range fams {
- d.fams = append(d.fams, f)
- }
- }
-
- *v = *d.fams[0]
- d.fams = d.fams[1:]
-
- return nil
-}
-
-// SampleDecoder wraps a Decoder to extract samples from the metric families
-// decoded by the wrapped Decoder.
-type SampleDecoder struct {
- Dec Decoder
- Opts *DecodeOptions
-
- f dto.MetricFamily
-}
-
-// Decode calls the Decode method of the wrapped Decoder and then extracts the
-// samples from the decoded MetricFamily into the provided model.Vector.
-func (sd *SampleDecoder) Decode(s *model.Vector) error {
- err := sd.Dec.Decode(&sd.f)
- if err != nil {
- return err
- }
- *s, err = extractSamples(&sd.f, sd.Opts)
- return err
-}
-
-// ExtractSamples builds a slice of samples from the provided metric
-// families. If an error occurs during sample extraction, it continues to
-// extract from the remaining metric families. The returned error is the last
-// error that has occured.
-func ExtractSamples(o *DecodeOptions, fams ...*dto.MetricFamily) (model.Vector, error) {
- var (
- all model.Vector
- lastErr error
- )
- for _, f := range fams {
- some, err := extractSamples(f, o)
- if err != nil {
- lastErr = err
- continue
- }
- all = append(all, some...)
- }
- return all, lastErr
-}
-
-func extractSamples(f *dto.MetricFamily, o *DecodeOptions) (model.Vector, error) {
- switch f.GetType() {
- case dto.MetricType_COUNTER:
- return extractCounter(o, f), nil
- case dto.MetricType_GAUGE:
- return extractGauge(o, f), nil
- case dto.MetricType_SUMMARY:
- return extractSummary(o, f), nil
- case dto.MetricType_UNTYPED:
- return extractUntyped(o, f), nil
- case dto.MetricType_HISTOGRAM:
- return extractHistogram(o, f), nil
- }
- return nil, fmt.Errorf("expfmt.extractSamples: unknown metric family type %v", f.GetType())
-}
-
-func extractCounter(o *DecodeOptions, f *dto.MetricFamily) model.Vector {
- samples := make(model.Vector, 0, len(f.Metric))
-
- for _, m := range f.Metric {
- if m.Counter == nil {
- continue
- }
-
- lset := make(model.LabelSet, len(m.Label)+1)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName())
-
- smpl := &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(m.Counter.GetValue()),
- }
-
- if m.TimestampMs != nil {
- smpl.Timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000)
- } else {
- smpl.Timestamp = o.Timestamp
- }
-
- samples = append(samples, smpl)
- }
-
- return samples
-}
-
-func extractGauge(o *DecodeOptions, f *dto.MetricFamily) model.Vector {
- samples := make(model.Vector, 0, len(f.Metric))
-
- for _, m := range f.Metric {
- if m.Gauge == nil {
- continue
- }
-
- lset := make(model.LabelSet, len(m.Label)+1)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName())
-
- smpl := &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(m.Gauge.GetValue()),
- }
-
- if m.TimestampMs != nil {
- smpl.Timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000)
- } else {
- smpl.Timestamp = o.Timestamp
- }
-
- samples = append(samples, smpl)
- }
-
- return samples
-}
-
-func extractUntyped(o *DecodeOptions, f *dto.MetricFamily) model.Vector {
- samples := make(model.Vector, 0, len(f.Metric))
-
- for _, m := range f.Metric {
- if m.Untyped == nil {
- continue
- }
-
- lset := make(model.LabelSet, len(m.Label)+1)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName())
-
- smpl := &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(m.Untyped.GetValue()),
- }
-
- if m.TimestampMs != nil {
- smpl.Timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000)
- } else {
- smpl.Timestamp = o.Timestamp
- }
-
- samples = append(samples, smpl)
- }
-
- return samples
-}
-
-func extractSummary(o *DecodeOptions, f *dto.MetricFamily) model.Vector {
- samples := make(model.Vector, 0, len(f.Metric))
-
- for _, m := range f.Metric {
- if m.Summary == nil {
- continue
- }
-
- timestamp := o.Timestamp
- if m.TimestampMs != nil {
- timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000)
- }
-
- for _, q := range m.Summary.Quantile {
- lset := make(model.LabelSet, len(m.Label)+2)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- // BUG(matt): Update other names to "quantile".
- lset[model.LabelName(model.QuantileLabel)] = model.LabelValue(fmt.Sprint(q.GetQuantile()))
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName())
-
- samples = append(samples, &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(q.GetValue()),
- Timestamp: timestamp,
- })
- }
-
- lset := make(model.LabelSet, len(m.Label)+1)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_sum")
-
- samples = append(samples, &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(m.Summary.GetSampleSum()),
- Timestamp: timestamp,
- })
-
- lset = make(model.LabelSet, len(m.Label)+1)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_count")
-
- samples = append(samples, &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(m.Summary.GetSampleCount()),
- Timestamp: timestamp,
- })
- }
-
- return samples
-}
-
-func extractHistogram(o *DecodeOptions, f *dto.MetricFamily) model.Vector {
- samples := make(model.Vector, 0, len(f.Metric))
-
- for _, m := range f.Metric {
- if m.Histogram == nil {
- continue
- }
-
- timestamp := o.Timestamp
- if m.TimestampMs != nil {
- timestamp = model.TimeFromUnixNano(*m.TimestampMs * 1000000)
- }
-
- infSeen := false
-
- for _, q := range m.Histogram.Bucket {
- lset := make(model.LabelSet, len(m.Label)+2)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.LabelName(model.BucketLabel)] = model.LabelValue(fmt.Sprint(q.GetUpperBound()))
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_bucket")
-
- if math.IsInf(q.GetUpperBound(), +1) {
- infSeen = true
- }
-
- samples = append(samples, &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(q.GetCumulativeCount()),
- Timestamp: timestamp,
- })
- }
-
- lset := make(model.LabelSet, len(m.Label)+1)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_sum")
-
- samples = append(samples, &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(m.Histogram.GetSampleSum()),
- Timestamp: timestamp,
- })
-
- lset = make(model.LabelSet, len(m.Label)+1)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_count")
-
- count := &model.Sample{
- Metric: model.Metric(lset),
- Value: model.SampleValue(m.Histogram.GetSampleCount()),
- Timestamp: timestamp,
- }
- samples = append(samples, count)
-
- if !infSeen {
- // Append an infinity bucket sample.
- lset := make(model.LabelSet, len(m.Label)+2)
- for _, p := range m.Label {
- lset[model.LabelName(p.GetName())] = model.LabelValue(p.GetValue())
- }
- lset[model.LabelName(model.BucketLabel)] = model.LabelValue("+Inf")
- lset[model.MetricNameLabel] = model.LabelValue(f.GetName() + "_bucket")
-
- samples = append(samples, &model.Sample{
- Metric: model.Metric(lset),
- Value: count.Value,
- Timestamp: timestamp,
- })
- }
- }
-
- return samples
-}
diff --git a/vendor/github.com/prometheus/common/expfmt/encode.go b/vendor/github.com/prometheus/common/expfmt/encode.go
deleted file mode 100644
index 11839ed65..000000000
--- a/vendor/github.com/prometheus/common/expfmt/encode.go
+++ /dev/null
@@ -1,88 +0,0 @@
-// Copyright 2015 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package expfmt
-
-import (
- "fmt"
- "io"
- "net/http"
-
- "github.com/golang/protobuf/proto"
- "github.com/matttproud/golang_protobuf_extensions/pbutil"
- "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
-
- dto "github.com/prometheus/client_model/go"
-)
-
-// Encoder types encode metric families into an underlying wire protocol.
-type Encoder interface {
- Encode(*dto.MetricFamily) error
-}
-
-type encoder func(*dto.MetricFamily) error
-
-func (e encoder) Encode(v *dto.MetricFamily) error {
- return e(v)
-}
-
-// Negotiate returns the Content-Type based on the given Accept header.
-// If no appropriate accepted type is found, FmtText is returned.
-func Negotiate(h http.Header) Format {
- for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) {
- // Check for protocol buffer
- if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
- switch ac.Params["encoding"] {
- case "delimited":
- return FmtProtoDelim
- case "text":
- return FmtProtoText
- case "compact-text":
- return FmtProtoCompact
- }
- }
- // Check for text format.
- ver := ac.Params["version"]
- if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
- return FmtText
- }
- }
- return FmtText
-}
-
-// NewEncoder returns a new encoder based on content type negotiation.
-func NewEncoder(w io.Writer, format Format) Encoder {
- switch format {
- case FmtProtoDelim:
- return encoder(func(v *dto.MetricFamily) error {
- _, err := pbutil.WriteDelimited(w, v)
- return err
- })
- case FmtProtoCompact:
- return encoder(func(v *dto.MetricFamily) error {
- _, err := fmt.Fprintln(w, v.String())
- return err
- })
- case FmtProtoText:
- return encoder(func(v *dto.MetricFamily) error {
- _, err := fmt.Fprintln(w, proto.MarshalTextString(v))
- return err
- })
- case FmtText:
- return encoder(func(v *dto.MetricFamily) error {
- _, err := MetricFamilyToText(w, v)
- return err
- })
- }
- panic("expfmt.NewEncoder: unknown format")
-}
diff --git a/vendor/github.com/prometheus/common/expfmt/expfmt.go b/vendor/github.com/prometheus/common/expfmt/expfmt.go
deleted file mode 100644
index 371ac7503..000000000
--- a/vendor/github.com/prometheus/common/expfmt/expfmt.go
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2015 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package expfmt contains tools for reading and writing Prometheus metrics.
-package expfmt
-
-// Format specifies the HTTP content type of the different wire protocols.
-type Format string
-
-// Constants to assemble the Content-Type values for the different wire protocols.
-const (
- TextVersion = "0.0.4"
- ProtoType = `application/vnd.google.protobuf`
- ProtoProtocol = `io.prometheus.client.MetricFamily`
- ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";"
-
- // The Content-Type values for the different wire protocols.
- FmtUnknown Format = `<unknown>`
- FmtText Format = `text/plain; version=` + TextVersion
- FmtProtoDelim Format = ProtoFmt + ` encoding=delimited`
- FmtProtoText Format = ProtoFmt + ` encoding=text`
- FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
-)
-
-const (
- hdrContentType = "Content-Type"
- hdrAccept = "Accept"
-)
diff --git a/vendor/github.com/prometheus/common/expfmt/fuzz.go b/vendor/github.com/prometheus/common/expfmt/fuzz.go
deleted file mode 100644
index dc2eedeef..000000000
--- a/vendor/github.com/prometheus/common/expfmt/fuzz.go
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright 2014 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Build only when actually fuzzing
-// +build gofuzz
-
-package expfmt
-
-import "bytes"
-
-// Fuzz text metric parser with with github.com/dvyukov/go-fuzz:
-//
-// go-fuzz-build github.com/prometheus/common/expfmt
-// go-fuzz -bin expfmt-fuzz.zip -workdir fuzz
-//
-// Further input samples should go in the folder fuzz/corpus.
-func Fuzz(in []byte) int {
- parser := TextParser{}
- _, err := parser.TextToMetricFamilies(bytes.NewReader(in))
-
- if err != nil {
- return 0
- }
-
- return 1
-}
diff --git a/vendor/github.com/prometheus/common/expfmt/text_create.go b/vendor/github.com/prometheus/common/expfmt/text_create.go
deleted file mode 100644
index f11321cd0..000000000
--- a/vendor/github.com/prometheus/common/expfmt/text_create.go
+++ /dev/null
@@ -1,303 +0,0 @@
-// Copyright 2014 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package expfmt
-
-import (
- "fmt"
- "io"
- "math"
- "strings"
-
- dto "github.com/prometheus/client_model/go"
- "github.com/prometheus/common/model"
-)
-
-// MetricFamilyToText converts a MetricFamily proto message into text format and
-// writes the resulting lines to 'out'. It returns the number of bytes written
-// and any error encountered. The output will have the same order as the input,
-// no further sorting is performed. Furthermore, this function assumes the input
-// is already sanitized and does not perform any sanity checks. If the input
-// contains duplicate metrics or invalid metric or label names, the conversion
-// will result in invalid text format output.
-//
-// This method fulfills the type 'prometheus.encoder'.
-func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (int, error) {
- var written int
-
- // Fail-fast checks.
- if len(in.Metric) == 0 {
- return written, fmt.Errorf("MetricFamily has no metrics: %s", in)
- }
- name := in.GetName()
- if name == "" {
- return written, fmt.Errorf("MetricFamily has no name: %s", in)
- }
-
- // Comments, first HELP, then TYPE.
- if in.Help != nil {
- n, err := fmt.Fprintf(
- out, "# HELP %s %s\n",
- name, escapeString(*in.Help, false),
- )
- written += n
- if err != nil {
- return written, err
- }
- }
- metricType := in.GetType()
- n, err := fmt.Fprintf(
- out, "# TYPE %s %s\n",
- name, strings.ToLower(metricType.String()),
- )
- written += n
- if err != nil {
- return written, err
- }
-
- // Finally the samples, one line for each.
- for _, metric := range in.Metric {
- switch metricType {
- case dto.MetricType_COUNTER:
- if metric.Counter == nil {
- return written, fmt.Errorf(
- "expected counter in metric %s %s", name, metric,
- )
- }
- n, err = writeSample(
- name, metric, "", "",
- metric.Counter.GetValue(),
- out,
- )
- case dto.MetricType_GAUGE:
- if metric.Gauge == nil {
- return written, fmt.Errorf(
- "expected gauge in metric %s %s", name, metric,
- )
- }
- n, err = writeSample(
- name, metric, "", "",
- metric.Gauge.GetValue(),
- out,
- )
- case dto.MetricType_UNTYPED:
- if metric.Untyped == nil {
- return written, fmt.Errorf(
- "expected untyped in metric %s %s", name, metric,
- )
- }
- n, err = writeSample(
- name, metric, "", "",
- metric.Untyped.GetValue(),
- out,
- )
- case dto.MetricType_SUMMARY:
- if metric.Summary == nil {
- return written, fmt.Errorf(
- "expected summary in metric %s %s", name, metric,
- )
- }
- for _, q := range metric.Summary.Quantile {
- n, err = writeSample(
- name, metric,
- model.QuantileLabel, fmt.Sprint(q.GetQuantile()),
- q.GetValue(),
- out,
- )
- written += n
- if err != nil {
- return written, err
- }
- }
- n, err = writeSample(
- name+"_sum", metric, "", "",
- metric.Summary.GetSampleSum(),
- out,
- )
- if err != nil {
- return written, err
- }
- written += n
- n, err = writeSample(
- name+"_count", metric, "", "",
- float64(metric.Summary.GetSampleCount()),
- out,
- )
- case dto.MetricType_HISTOGRAM:
- if metric.Histogram == nil {
- return written, fmt.Errorf(
- "expected histogram in metric %s %s", name, metric,
- )
- }
- infSeen := false
- for _, q := range metric.Histogram.Bucket {
- n, err = writeSample(
- name+"_bucket", metric,
- model.BucketLabel, fmt.Sprint(q.GetUpperBound()),
- float64(q.GetCumulativeCount()),
- out,
- )
- written += n
- if err != nil {
- return written, err
- }
- if math.IsInf(q.GetUpperBound(), +1) {
- infSeen = true
- }
- }
- if !infSeen {
- n, err = writeSample(
- name+"_bucket", metric,
- model.BucketLabel, "+Inf",
- float64(metric.Histogram.GetSampleCount()),
- out,
- )
- if err != nil {
- return written, err
- }
- written += n
- }
- n, err = writeSample(
- name+"_sum", metric, "", "",
- metric.Histogram.GetSampleSum(),
- out,
- )
- if err != nil {
- return written, err
- }
- written += n
- n, err = writeSample(
- name+"_count", metric, "", "",
- float64(metric.Histogram.GetSampleCount()),
- out,
- )
- default:
- return written, fmt.Errorf(
- "unexpected type in metric %s %s", name, metric,
- )
- }
- written += n
- if err != nil {
- return written, err
- }
- }
- return written, nil
-}
-
-// writeSample writes a single sample in text format to out, given the metric
-// name, the metric proto message itself, optionally an additional label name
-// and value (use empty strings if not required), and the value. The function
-// returns the number of bytes written and any error encountered.
-func writeSample(
- name string,
- metric *dto.Metric,
- additionalLabelName, additionalLabelValue string,
- value float64,
- out io.Writer,
-) (int, error) {
- var written int
- n, err := fmt.Fprint(out, name)
- written += n
- if err != nil {
- return written, err
- }
- n, err = labelPairsToText(
- metric.Label,
- additionalLabelName, additionalLabelValue,
- out,
- )
- written += n
- if err != nil {
- return written, err
- }
- n, err = fmt.Fprintf(out, " %v", value)
- written += n
- if err != nil {
- return written, err
- }
- if metric.TimestampMs != nil {
- n, err = fmt.Fprintf(out, " %v", *metric.TimestampMs)
- written += n
- if err != nil {
- return written, err
- }
- }
- n, err = out.Write([]byte{'\n'})
- written += n
- if err != nil {
- return written, err
- }
- return written, nil
-}
-
-// labelPairsToText converts a slice of LabelPair proto messages plus the
-// explicitly given additional label pair into text formatted as required by the
-// text format and writes it to 'out'. An empty slice in combination with an
-// empty string 'additionalLabelName' results in nothing being
-// written. Otherwise, the label pairs are written, escaped as required by the
-// text format, and enclosed in '{...}'. The function returns the number of
-// bytes written and any error encountered.
-func labelPairsToText(
- in []*dto.LabelPair,
- additionalLabelName, additionalLabelValue string,
- out io.Writer,
-) (int, error) {
- if len(in) == 0 && additionalLabelName == "" {
- return 0, nil
- }
- var written int
- separator := '{'
- for _, lp := range in {
- n, err := fmt.Fprintf(
- out, `%c%s="%s"`,
- separator, lp.GetName(), escapeString(lp.GetValue(), true),
- )
- written += n
- if err != nil {
- return written, err
- }
- separator = ','
- }
- if additionalLabelName != "" {
- n, err := fmt.Fprintf(
- out, `%c%s="%s"`,
- separator, additionalLabelName,
- escapeString(additionalLabelValue, true),
- )
- written += n
- if err != nil {
- return written, err
- }
- }
- n, err := out.Write([]byte{'}'})
- written += n
- if err != nil {
- return written, err
- }
- return written, nil
-}
-
-var (
- escape = strings.NewReplacer("\\", `\\`, "\n", `\n`)
- escapeWithDoubleQuote = strings.NewReplacer("\\", `\\`, "\n", `\n`, "\"", `\"`)
-)
-
-// escapeString replaces '\' by '\\', new line character by '\n', and - if
-// includeDoubleQuote is true - '"' by '\"'.
-func escapeString(v string, includeDoubleQuote bool) string {
- if includeDoubleQuote {
- return escapeWithDoubleQuote.Replace(v)
- }
-
- return escape.Replace(v)
-}
diff --git a/vendor/github.com/prometheus/common/expfmt/text_parse.go b/vendor/github.com/prometheus/common/expfmt/text_parse.go
deleted file mode 100644
index ef9a15077..000000000
--- a/vendor/github.com/prometheus/common/expfmt/text_parse.go
+++ /dev/null
@@ -1,753 +0,0 @@
-// Copyright 2014 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package expfmt
-
-import (
- "bufio"
- "bytes"
- "fmt"
- "io"
- "math"
- "strconv"
- "strings"
-
- dto "github.com/prometheus/client_model/go"
-
- "github.com/golang/protobuf/proto"
- "github.com/prometheus/common/model"
-)
-
-// A stateFn is a function that represents a state in a state machine. By
-// executing it, the state is progressed to the next state. The stateFn returns
-// another stateFn, which represents the new state. The end state is represented
-// by nil.
-type stateFn func() stateFn
-
-// ParseError signals errors while parsing the simple and flat text-based
-// exchange format.
-type ParseError struct {
- Line int
- Msg string
-}
-
-// Error implements the error interface.
-func (e ParseError) Error() string {
- return fmt.Sprintf("text format parsing error in line %d: %s", e.Line, e.Msg)
-}
-
-// TextParser is used to parse the simple and flat text-based exchange format. Its
-// zero value is ready to use.
-type TextParser struct {
- metricFamiliesByName map[string]*dto.MetricFamily
- buf *bufio.Reader // Where the parsed input is read through.
- err error // Most recent error.
- lineCount int // Tracks the line count for error messages.
- currentByte byte // The most recent byte read.
- currentToken bytes.Buffer // Re-used each time a token has to be gathered from multiple bytes.
- currentMF *dto.MetricFamily
- currentMetric *dto.Metric
- currentLabelPair *dto.LabelPair
-
- // The remaining member variables are only used for summaries/histograms.
- currentLabels map[string]string // All labels including '__name__' but excluding 'quantile'/'le'
- // Summary specific.
- summaries map[uint64]*dto.Metric // Key is created with LabelsToSignature.
- currentQuantile float64
- // Histogram specific.
- histograms map[uint64]*dto.Metric // Key is created with LabelsToSignature.
- currentBucket float64
- // These tell us if the currently processed line ends on '_count' or
- // '_sum' respectively and belong to a summary/histogram, representing the sample
- // count and sum of that summary/histogram.
- currentIsSummaryCount, currentIsSummarySum bool
- currentIsHistogramCount, currentIsHistogramSum bool
-}
-
-// TextToMetricFamilies reads 'in' as the simple and flat text-based exchange
-// format and creates MetricFamily proto messages. It returns the MetricFamily
-// proto messages in a map where the metric names are the keys, along with any
-// error encountered.
-//
-// If the input contains duplicate metrics (i.e. lines with the same metric name
-// and exactly the same label set), the resulting MetricFamily will contain
-// duplicate Metric proto messages. Similar is true for duplicate label
-// names. Checks for duplicates have to be performed separately, if required.
-// Also note that neither the metrics within each MetricFamily are sorted nor
-// the label pairs within each Metric. Sorting is not required for the most
-// frequent use of this method, which is sample ingestion in the Prometheus
-// server. However, for presentation purposes, you might want to sort the
-// metrics, and in some cases, you must sort the labels, e.g. for consumption by
-// the metric family injection hook of the Prometheus registry.
-//
-// Summaries and histograms are rather special beasts. You would probably not
-// use them in the simple text format anyway. This method can deal with
-// summaries and histograms if they are presented in exactly the way the
-// text.Create function creates them.
-//
-// This method must not be called concurrently. If you want to parse different
-// input concurrently, instantiate a separate Parser for each goroutine.
-func (p *TextParser) TextToMetricFamilies(in io.Reader) (map[string]*dto.MetricFamily, error) {
- p.reset(in)
- for nextState := p.startOfLine; nextState != nil; nextState = nextState() {
- // Magic happens here...
- }
- // Get rid of empty metric families.
- for k, mf := range p.metricFamiliesByName {
- if len(mf.GetMetric()) == 0 {
- delete(p.metricFamiliesByName, k)
- }
- }
- // If p.err is io.EOF now, we have run into a premature end of the input
- // stream. Turn this error into something nicer and more
- // meaningful. (io.EOF is often used as a signal for the legitimate end
- // of an input stream.)
- if p.err == io.EOF {
- p.parseError("unexpected end of input stream")
- }
- return p.metricFamiliesByName, p.err
-}
-
-func (p *TextParser) reset(in io.Reader) {
- p.metricFamiliesByName = map[string]*dto.MetricFamily{}
- if p.buf == nil {
- p.buf = bufio.NewReader(in)
- } else {
- p.buf.Reset(in)
- }
- p.err = nil
- p.lineCount = 0
- if p.summaries == nil || len(p.summaries) > 0 {
- p.summaries = map[uint64]*dto.Metric{}
- }
- if p.histograms == nil || len(p.histograms) > 0 {
- p.histograms = map[uint64]*dto.Metric{}
- }
- p.currentQuantile = math.NaN()
- p.currentBucket = math.NaN()
-}
-
-// startOfLine represents the state where the next byte read from p.buf is the
-// start of a line (or whitespace leading up to it).
-func (p *TextParser) startOfLine() stateFn {
- p.lineCount++
- if p.skipBlankTab(); p.err != nil {
- // End of input reached. This is the only case where
- // that is not an error but a signal that we are done.
- p.err = nil
- return nil
- }
- switch p.currentByte {
- case '#':
- return p.startComment
- case '\n':
- return p.startOfLine // Empty line, start the next one.
- }
- return p.readingMetricName
-}
-
-// startComment represents the state where the next byte read from p.buf is the
-// start of a comment (or whitespace leading up to it).
-func (p *TextParser) startComment() stateFn {
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.currentByte == '\n' {
- return p.startOfLine
- }
- if p.readTokenUntilWhitespace(); p.err != nil {
- return nil // Unexpected end of input.
- }
- // If we have hit the end of line already, there is nothing left
- // to do. This is not considered a syntax error.
- if p.currentByte == '\n' {
- return p.startOfLine
- }
- keyword := p.currentToken.String()
- if keyword != "HELP" && keyword != "TYPE" {
- // Generic comment, ignore by fast forwarding to end of line.
- for p.currentByte != '\n' {
- if p.currentByte, p.err = p.buf.ReadByte(); p.err != nil {
- return nil // Unexpected end of input.
- }
- }
- return p.startOfLine
- }
- // There is something. Next has to be a metric name.
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.readTokenAsMetricName(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.currentByte == '\n' {
- // At the end of the line already.
- // Again, this is not considered a syntax error.
- return p.startOfLine
- }
- if !isBlankOrTab(p.currentByte) {
- p.parseError("invalid metric name in comment")
- return nil
- }
- p.setOrCreateCurrentMF()
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.currentByte == '\n' {
- // At the end of the line already.
- // Again, this is not considered a syntax error.
- return p.startOfLine
- }
- switch keyword {
- case "HELP":
- return p.readingHelp
- case "TYPE":
- return p.readingType
- }
- panic(fmt.Sprintf("code error: unexpected keyword %q", keyword))
-}
-
-// readingMetricName represents the state where the last byte read (now in
-// p.currentByte) is the first byte of a metric name.
-func (p *TextParser) readingMetricName() stateFn {
- if p.readTokenAsMetricName(); p.err != nil {
- return nil
- }
- if p.currentToken.Len() == 0 {
- p.parseError("invalid metric name")
- return nil
- }
- p.setOrCreateCurrentMF()
- // Now is the time to fix the type if it hasn't happened yet.
- if p.currentMF.Type == nil {
- p.currentMF.Type = dto.MetricType_UNTYPED.Enum()
- }
- p.currentMetric = &dto.Metric{}
- // Do not append the newly created currentMetric to
- // currentMF.Metric right now. First wait if this is a summary,
- // and the metric exists already, which we can only know after
- // having read all the labels.
- if p.skipBlankTabIfCurrentBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- return p.readingLabels
-}
-
-// readingLabels represents the state where the last byte read (now in
-// p.currentByte) is either the first byte of the label set (i.e. a '{'), or the
-// first byte of the value (otherwise).
-func (p *TextParser) readingLabels() stateFn {
- // Summaries/histograms are special. We have to reset the
- // currentLabels map, currentQuantile and currentBucket before starting to
- // read labels.
- if p.currentMF.GetType() == dto.MetricType_SUMMARY || p.currentMF.GetType() == dto.MetricType_HISTOGRAM {
- p.currentLabels = map[string]string{}
- p.currentLabels[string(model.MetricNameLabel)] = p.currentMF.GetName()
- p.currentQuantile = math.NaN()
- p.currentBucket = math.NaN()
- }
- if p.currentByte != '{' {
- return p.readingValue
- }
- return p.startLabelName
-}
-
-// startLabelName represents the state where the next byte read from p.buf is
-// the start of a label name (or whitespace leading up to it).
-func (p *TextParser) startLabelName() stateFn {
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.currentByte == '}' {
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- return p.readingValue
- }
- if p.readTokenAsLabelName(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.currentToken.Len() == 0 {
- p.parseError(fmt.Sprintf("invalid label name for metric %q", p.currentMF.GetName()))
- return nil
- }
- p.currentLabelPair = &dto.LabelPair{Name: proto.String(p.currentToken.String())}
- if p.currentLabelPair.GetName() == string(model.MetricNameLabel) {
- p.parseError(fmt.Sprintf("label name %q is reserved", model.MetricNameLabel))
- return nil
- }
- // Special summary/histogram treatment. Don't add 'quantile' and 'le'
- // labels to 'real' labels.
- if !(p.currentMF.GetType() == dto.MetricType_SUMMARY && p.currentLabelPair.GetName() == model.QuantileLabel) &&
- !(p.currentMF.GetType() == dto.MetricType_HISTOGRAM && p.currentLabelPair.GetName() == model.BucketLabel) {
- p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPair)
- }
- if p.skipBlankTabIfCurrentBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.currentByte != '=' {
- p.parseError(fmt.Sprintf("expected '=' after label name, found %q", p.currentByte))
- return nil
- }
- return p.startLabelValue
-}
-
-// startLabelValue represents the state where the next byte read from p.buf is
-// the start of a (quoted) label value (or whitespace leading up to it).
-func (p *TextParser) startLabelValue() stateFn {
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.currentByte != '"' {
- p.parseError(fmt.Sprintf("expected '\"' at start of label value, found %q", p.currentByte))
- return nil
- }
- if p.readTokenAsLabelValue(); p.err != nil {
- return nil
- }
- p.currentLabelPair.Value = proto.String(p.currentToken.String())
- // Special treatment of summaries:
- // - Quantile labels are special, will result in dto.Quantile later.
- // - Other labels have to be added to currentLabels for signature calculation.
- if p.currentMF.GetType() == dto.MetricType_SUMMARY {
- if p.currentLabelPair.GetName() == model.QuantileLabel {
- if p.currentQuantile, p.err = strconv.ParseFloat(p.currentLabelPair.GetValue(), 64); p.err != nil {
- // Create a more helpful error message.
- p.parseError(fmt.Sprintf("expected float as value for 'quantile' label, got %q", p.currentLabelPair.GetValue()))
- return nil
- }
- } else {
- p.currentLabels[p.currentLabelPair.GetName()] = p.currentLabelPair.GetValue()
- }
- }
- // Similar special treatment of histograms.
- if p.currentMF.GetType() == dto.MetricType_HISTOGRAM {
- if p.currentLabelPair.GetName() == model.BucketLabel {
- if p.currentBucket, p.err = strconv.ParseFloat(p.currentLabelPair.GetValue(), 64); p.err != nil {
- // Create a more helpful error message.
- p.parseError(fmt.Sprintf("expected float as value for 'le' label, got %q", p.currentLabelPair.GetValue()))
- return nil
- }
- } else {
- p.currentLabels[p.currentLabelPair.GetName()] = p.currentLabelPair.GetValue()
- }
- }
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- switch p.currentByte {
- case ',':
- return p.startLabelName
-
- case '}':
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- return p.readingValue
- default:
- p.parseError(fmt.Sprintf("unexpected end of label value %q", p.currentLabelPair.Value))
- return nil
- }
-}
-
-// readingValue represents the state where the last byte read (now in
-// p.currentByte) is the first byte of the sample value (i.e. a float).
-func (p *TextParser) readingValue() stateFn {
- // When we are here, we have read all the labels, so for the
- // special case of a summary/histogram, we can finally find out
- // if the metric already exists.
- if p.currentMF.GetType() == dto.MetricType_SUMMARY {
- signature := model.LabelsToSignature(p.currentLabels)
- if summary := p.summaries[signature]; summary != nil {
- p.currentMetric = summary
- } else {
- p.summaries[signature] = p.currentMetric
- p.currentMF.Metric = append(p.currentMF.Metric, p.currentMetric)
- }
- } else if p.currentMF.GetType() == dto.MetricType_HISTOGRAM {
- signature := model.LabelsToSignature(p.currentLabels)
- if histogram := p.histograms[signature]; histogram != nil {
- p.currentMetric = histogram
- } else {
- p.histograms[signature] = p.currentMetric
- p.currentMF.Metric = append(p.currentMF.Metric, p.currentMetric)
- }
- } else {
- p.currentMF.Metric = append(p.currentMF.Metric, p.currentMetric)
- }
- if p.readTokenUntilWhitespace(); p.err != nil {
- return nil // Unexpected end of input.
- }
- value, err := strconv.ParseFloat(p.currentToken.String(), 64)
- if err != nil {
- // Create a more helpful error message.
- p.parseError(fmt.Sprintf("expected float as value, got %q", p.currentToken.String()))
- return nil
- }
- switch p.currentMF.GetType() {
- case dto.MetricType_COUNTER:
- p.currentMetric.Counter = &dto.Counter{Value: proto.Float64(value)}
- case dto.MetricType_GAUGE:
- p.currentMetric.Gauge = &dto.Gauge{Value: proto.Float64(value)}
- case dto.MetricType_UNTYPED:
- p.currentMetric.Untyped = &dto.Untyped{Value: proto.Float64(value)}
- case dto.MetricType_SUMMARY:
- // *sigh*
- if p.currentMetric.Summary == nil {
- p.currentMetric.Summary = &dto.Summary{}
- }
- switch {
- case p.currentIsSummaryCount:
- p.currentMetric.Summary.SampleCount = proto.Uint64(uint64(value))
- case p.currentIsSummarySum:
- p.currentMetric.Summary.SampleSum = proto.Float64(value)
- case !math.IsNaN(p.currentQuantile):
- p.currentMetric.Summary.Quantile = append(
- p.currentMetric.Summary.Quantile,
- &dto.Quantile{
- Quantile: proto.Float64(p.currentQuantile),
- Value: proto.Float64(value),
- },
- )
- }
- case dto.MetricType_HISTOGRAM:
- // *sigh*
- if p.currentMetric.Histogram == nil {
- p.currentMetric.Histogram = &dto.Histogram{}
- }
- switch {
- case p.currentIsHistogramCount:
- p.currentMetric.Histogram.SampleCount = proto.Uint64(uint64(value))
- case p.currentIsHistogramSum:
- p.currentMetric.Histogram.SampleSum = proto.Float64(value)
- case !math.IsNaN(p.currentBucket):
- p.currentMetric.Histogram.Bucket = append(
- p.currentMetric.Histogram.Bucket,
- &dto.Bucket{
- UpperBound: proto.Float64(p.currentBucket),
- CumulativeCount: proto.Uint64(uint64(value)),
- },
- )
- }
- default:
- p.err = fmt.Errorf("unexpected type for metric name %q", p.currentMF.GetName())
- }
- if p.currentByte == '\n' {
- return p.startOfLine
- }
- return p.startTimestamp
-}
-
-// startTimestamp represents the state where the next byte read from p.buf is
-// the start of the timestamp (or whitespace leading up to it).
-func (p *TextParser) startTimestamp() stateFn {
- if p.skipBlankTab(); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.readTokenUntilWhitespace(); p.err != nil {
- return nil // Unexpected end of input.
- }
- timestamp, err := strconv.ParseInt(p.currentToken.String(), 10, 64)
- if err != nil {
- // Create a more helpful error message.
- p.parseError(fmt.Sprintf("expected integer as timestamp, got %q", p.currentToken.String()))
- return nil
- }
- p.currentMetric.TimestampMs = proto.Int64(timestamp)
- if p.readTokenUntilNewline(false); p.err != nil {
- return nil // Unexpected end of input.
- }
- if p.currentToken.Len() > 0 {
- p.parseError(fmt.Sprintf("spurious string after timestamp: %q", p.currentToken.String()))
- return nil
- }
- return p.startOfLine
-}
-
-// readingHelp represents the state where the last byte read (now in
-// p.currentByte) is the first byte of the docstring after 'HELP'.
-func (p *TextParser) readingHelp() stateFn {
- if p.currentMF.Help != nil {
- p.parseError(fmt.Sprintf("second HELP line for metric name %q", p.currentMF.GetName()))
- return nil
- }
- // Rest of line is the docstring.
- if p.readTokenUntilNewline(true); p.err != nil {
- return nil // Unexpected end of input.
- }
- p.currentMF.Help = proto.String(p.currentToken.String())
- return p.startOfLine
-}
-
-// readingType represents the state where the last byte read (now in
-// p.currentByte) is the first byte of the type hint after 'HELP'.
-func (p *TextParser) readingType() stateFn {
- if p.currentMF.Type != nil {
- p.parseError(fmt.Sprintf("second TYPE line for metric name %q, or TYPE reported after samples", p.currentMF.GetName()))
- return nil
- }
- // Rest of line is the type.
- if p.readTokenUntilNewline(false); p.err != nil {
- return nil // Unexpected end of input.
- }
- metricType, ok := dto.MetricType_value[strings.ToUpper(p.currentToken.String())]
- if !ok {
- p.parseError(fmt.Sprintf("unknown metric type %q", p.currentToken.String()))
- return nil
- }
- p.currentMF.Type = dto.MetricType(metricType).Enum()
- return p.startOfLine
-}
-
-// parseError sets p.err to a ParseError at the current line with the given
-// message.
-func (p *TextParser) parseError(msg string) {
- p.err = ParseError{
- Line: p.lineCount,
- Msg: msg,
- }
-}
-
-// skipBlankTab reads (and discards) bytes from p.buf until it encounters a byte
-// that is neither ' ' nor '\t'. That byte is left in p.currentByte.
-func (p *TextParser) skipBlankTab() {
- for {
- if p.currentByte, p.err = p.buf.ReadByte(); p.err != nil || !isBlankOrTab(p.currentByte) {
- return
- }
- }
-}
-
-// skipBlankTabIfCurrentBlankTab works exactly as skipBlankTab but doesn't do
-// anything if p.currentByte is neither ' ' nor '\t'.
-func (p *TextParser) skipBlankTabIfCurrentBlankTab() {
- if isBlankOrTab(p.currentByte) {
- p.skipBlankTab()
- }
-}
-
-// readTokenUntilWhitespace copies bytes from p.buf into p.currentToken. The
-// first byte considered is the byte already read (now in p.currentByte). The
-// first whitespace byte encountered is still copied into p.currentByte, but not
-// into p.currentToken.
-func (p *TextParser) readTokenUntilWhitespace() {
- p.currentToken.Reset()
- for p.err == nil && !isBlankOrTab(p.currentByte) && p.currentByte != '\n' {
- p.currentToken.WriteByte(p.currentByte)
- p.currentByte, p.err = p.buf.ReadByte()
- }
-}
-
-// readTokenUntilNewline copies bytes from p.buf into p.currentToken. The first
-// byte considered is the byte already read (now in p.currentByte). The first
-// newline byte encountered is still copied into p.currentByte, but not into
-// p.currentToken. If recognizeEscapeSequence is true, two escape sequences are
-// recognized: '\\' tranlates into '\', and '\n' into a line-feed character. All
-// other escape sequences are invalid and cause an error.
-func (p *TextParser) readTokenUntilNewline(recognizeEscapeSequence bool) {
- p.currentToken.Reset()
- escaped := false
- for p.err == nil {
- if recognizeEscapeSequence && escaped {
- switch p.currentByte {
- case '\\':
- p.currentToken.WriteByte(p.currentByte)
- case 'n':
- p.currentToken.WriteByte('\n')
- default:
- p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte))
- return
- }
- escaped = false
- } else {
- switch p.currentByte {
- case '\n':
- return
- case '\\':
- escaped = true
- default:
- p.currentToken.WriteByte(p.currentByte)
- }
- }
- p.currentByte, p.err = p.buf.ReadByte()
- }
-}
-
-// readTokenAsMetricName copies a metric name from p.buf into p.currentToken.
-// The first byte considered is the byte already read (now in p.currentByte).
-// The first byte not part of a metric name is still copied into p.currentByte,
-// but not into p.currentToken.
-func (p *TextParser) readTokenAsMetricName() {
- p.currentToken.Reset()
- if !isValidMetricNameStart(p.currentByte) {
- return
- }
- for {
- p.currentToken.WriteByte(p.currentByte)
- p.currentByte, p.err = p.buf.ReadByte()
- if p.err != nil || !isValidMetricNameContinuation(p.currentByte) {
- return
- }
- }
-}
-
-// readTokenAsLabelName copies a label name from p.buf into p.currentToken.
-// The first byte considered is the byte already read (now in p.currentByte).
-// The first byte not part of a label name is still copied into p.currentByte,
-// but not into p.currentToken.
-func (p *TextParser) readTokenAsLabelName() {
- p.currentToken.Reset()
- if !isValidLabelNameStart(p.currentByte) {
- return
- }
- for {
- p.currentToken.WriteByte(p.currentByte)
- p.currentByte, p.err = p.buf.ReadByte()
- if p.err != nil || !isValidLabelNameContinuation(p.currentByte) {
- return
- }
- }
-}
-
-// readTokenAsLabelValue copies a label value from p.buf into p.currentToken.
-// In contrast to the other 'readTokenAs...' functions, which start with the
-// last read byte in p.currentByte, this method ignores p.currentByte and starts
-// with reading a new byte from p.buf. The first byte not part of a label value
-// is still copied into p.currentByte, but not into p.currentToken.
-func (p *TextParser) readTokenAsLabelValue() {
- p.currentToken.Reset()
- escaped := false
- for {
- if p.currentByte, p.err = p.buf.ReadByte(); p.err != nil {
- return
- }
- if escaped {
- switch p.currentByte {
- case '"', '\\':
- p.currentToken.WriteByte(p.currentByte)
- case 'n':
- p.currentToken.WriteByte('\n')
- default:
- p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte))
- return
- }
- escaped = false
- continue
- }
- switch p.currentByte {
- case '"':
- return
- case '\n':
- p.parseError(fmt.Sprintf("label value %q contains unescaped new-line", p.currentToken.String()))
- return
- case '\\':
- escaped = true
- default:
- p.currentToken.WriteByte(p.currentByte)
- }
- }
-}
-
-func (p *TextParser) setOrCreateCurrentMF() {
- p.currentIsSummaryCount = false
- p.currentIsSummarySum = false
- p.currentIsHistogramCount = false
- p.currentIsHistogramSum = false
- name := p.currentToken.String()
- if p.currentMF = p.metricFamiliesByName[name]; p.currentMF != nil {
- return
- }
- // Try out if this is a _sum or _count for a summary/histogram.
- summaryName := summaryMetricName(name)
- if p.currentMF = p.metricFamiliesByName[summaryName]; p.currentMF != nil {
- if p.currentMF.GetType() == dto.MetricType_SUMMARY {
- if isCount(name) {
- p.currentIsSummaryCount = true
- }
- if isSum(name) {
- p.currentIsSummarySum = true
- }
- return
- }
- }
- histogramName := histogramMetricName(name)
- if p.currentMF = p.metricFamiliesByName[histogramName]; p.currentMF != nil {
- if p.currentMF.GetType() == dto.MetricType_HISTOGRAM {
- if isCount(name) {
- p.currentIsHistogramCount = true
- }
- if isSum(name) {
- p.currentIsHistogramSum = true
- }
- return
- }
- }
- p.currentMF = &dto.MetricFamily{Name: proto.String(name)}
- p.metricFamiliesByName[name] = p.currentMF
-}
-
-func isValidLabelNameStart(b byte) bool {
- return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_'
-}
-
-func isValidLabelNameContinuation(b byte) bool {
- return isValidLabelNameStart(b) || (b >= '0' && b <= '9')
-}
-
-func isValidMetricNameStart(b byte) bool {
- return isValidLabelNameStart(b) || b == ':'
-}
-
-func isValidMetricNameContinuation(b byte) bool {
- return isValidLabelNameContinuation(b) || b == ':'
-}
-
-func isBlankOrTab(b byte) bool {
- return b == ' ' || b == '\t'
-}
-
-func isCount(name string) bool {
- return len(name) > 6 && name[len(name)-6:] == "_count"
-}
-
-func isSum(name string) bool {
- return len(name) > 4 && name[len(name)-4:] == "_sum"
-}
-
-func isBucket(name string) bool {
- return len(name) > 7 && name[len(name)-7:] == "_bucket"
-}
-
-func summaryMetricName(name string) string {
- switch {
- case isCount(name):
- return name[:len(name)-6]
- case isSum(name):
- return name[:len(name)-4]
- default:
- return name
- }
-}
-
-func histogramMetricName(name string) string {
- switch {
- case isCount(name):
- return name[:len(name)-6]
- case isSum(name):
- return name[:len(name)-4]
- case isBucket(name):
- return name[:len(name)-7]
- default:
- return name
- }
-}
diff --git a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt
deleted file mode 100644
index 7723656d5..000000000
--- a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt
+++ /dev/null
@@ -1,67 +0,0 @@
-PACKAGE
-
-package goautoneg
-import "bitbucket.org/ww/goautoneg"
-
-HTTP Content-Type Autonegotiation.
-
-The functions in this package implement the behaviour specified in
-http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
-
-Copyright (c) 2011, Open Knowledge Foundation Ltd.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
- Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
- Neither the name of the Open Knowledge Foundation Ltd. nor the
- names of its contributors may be used to endorse or promote
- products derived from this software without specific prior written
- permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-FUNCTIONS
-
-func Negotiate(header string, alternatives []string) (content_type string)
-Negotiate the most appropriate content_type given the accept header
-and a list of alternatives.
-
-func ParseAccept(header string) (accept []Accept)
-Parse an Accept Header string returning a sorted list
-of clauses
-
-
-TYPES
-
-type Accept struct {
- Type, SubType string
- Q float32
- Params map[string]string
-}
-Structure to represent a clause in an HTTP Accept Header
-
-
-SUBDIRECTORIES
-
- .hg
diff --git a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go
deleted file mode 100644
index 648b38cb6..000000000
--- a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
-HTTP Content-Type Autonegotiation.
-
-The functions in this package implement the behaviour specified in
-http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
-
-Copyright (c) 2011, Open Knowledge Foundation Ltd.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
- Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
-
- Neither the name of the Open Knowledge Foundation Ltd. nor the
- names of its contributors may be used to endorse or promote
- products derived from this software without specific prior written
- permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-*/
-package goautoneg
-
-import (
- "sort"
- "strconv"
- "strings"
-)
-
-// Structure to represent a clause in an HTTP Accept Header
-type Accept struct {
- Type, SubType string
- Q float64
- Params map[string]string
-}
-
-// For internal use, so that we can use the sort interface
-type accept_slice []Accept
-
-func (accept accept_slice) Len() int {
- slice := []Accept(accept)
- return len(slice)
-}
-
-func (accept accept_slice) Less(i, j int) bool {
- slice := []Accept(accept)
- ai, aj := slice[i], slice[j]
- if ai.Q > aj.Q {
- return true
- }
- if ai.Type != "*" && aj.Type == "*" {
- return true
- }
- if ai.SubType != "*" && aj.SubType == "*" {
- return true
- }
- return false
-}
-
-func (accept accept_slice) Swap(i, j int) {
- slice := []Accept(accept)
- slice[i], slice[j] = slice[j], slice[i]
-}
-
-// Parse an Accept Header string returning a sorted list
-// of clauses
-func ParseAccept(header string) (accept []Accept) {
- parts := strings.Split(header, ",")
- accept = make([]Accept, 0, len(parts))
- for _, part := range parts {
- part := strings.Trim(part, " ")
-
- a := Accept{}
- a.Params = make(map[string]string)
- a.Q = 1.0
-
- mrp := strings.Split(part, ";")
-
- media_range := mrp[0]
- sp := strings.Split(media_range, "/")
- a.Type = strings.Trim(sp[0], " ")
-
- switch {
- case len(sp) == 1 && a.Type == "*":
- a.SubType = "*"
- case len(sp) == 2:
- a.SubType = strings.Trim(sp[1], " ")
- default:
- continue
- }
-
- if len(mrp) == 1 {
- accept = append(accept, a)
- continue
- }
-
- for _, param := range mrp[1:] {
- sp := strings.SplitN(param, "=", 2)
- if len(sp) != 2 {
- continue
- }
- token := strings.Trim(sp[0], " ")
- if token == "q" {
- a.Q, _ = strconv.ParseFloat(sp[1], 32)
- } else {
- a.Params[token] = strings.Trim(sp[1], " ")
- }
- }
-
- accept = append(accept, a)
- }
-
- slice := accept_slice(accept)
- sort.Sort(slice)
-
- return
-}
-
-// Negotiate the most appropriate content_type given the accept header
-// and a list of alternatives.
-func Negotiate(header string, alternatives []string) (content_type string) {
- asp := make([][]string, 0, len(alternatives))
- for _, ctype := range alternatives {
- asp = append(asp, strings.SplitN(ctype, "/", 2))
- }
- for _, clause := range ParseAccept(header) {
- for i, ctsp := range asp {
- if clause.Type == ctsp[0] && clause.SubType == ctsp[1] {
- content_type = alternatives[i]
- return
- }
- if clause.Type == ctsp[0] && clause.SubType == "*" {
- content_type = alternatives[i]
- return
- }
- if clause.Type == "*" && clause.SubType == "*" {
- content_type = alternatives[i]
- return
- }
- }
- }
- return
-}
diff --git a/vendor/github.com/prometheus/common/model/alert.go b/vendor/github.com/prometheus/common/model/alert.go
deleted file mode 100644
index 35e739c7a..000000000
--- a/vendor/github.com/prometheus/common/model/alert.go
+++ /dev/null
@@ -1,136 +0,0 @@
-// Copyright 2013 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "fmt"
- "time"
-)
-
-type AlertStatus string
-
-const (
- AlertFiring AlertStatus = "firing"
- AlertResolved AlertStatus = "resolved"
-)
-
-// Alert is a generic representation of an alert in the Prometheus eco-system.
-type Alert struct {
- // Label value pairs for purpose of aggregation, matching, and disposition
- // dispatching. This must minimally include an "alertname" label.
- Labels LabelSet `json:"labels"`
-
- // Extra key/value information which does not define alert identity.
- Annotations LabelSet `json:"annotations"`
-
- // The known time range for this alert. Both ends are optional.
- StartsAt time.Time `json:"startsAt,omitempty"`
- EndsAt time.Time `json:"endsAt,omitempty"`
- GeneratorURL string `json:"generatorURL"`
-}
-
-// Name returns the name of the alert. It is equivalent to the "alertname" label.
-func (a *Alert) Name() string {
- return string(a.Labels[AlertNameLabel])
-}
-
-// Fingerprint returns a unique hash for the alert. It is equivalent to
-// the fingerprint of the alert's label set.
-func (a *Alert) Fingerprint() Fingerprint {
- return a.Labels.Fingerprint()
-}
-
-func (a *Alert) String() string {
- s := fmt.Sprintf("%s[%s]", a.Name(), a.Fingerprint().String()[:7])
- if a.Resolved() {
- return s + "[resolved]"
- }
- return s + "[active]"
-}
-
-// Resolved returns true iff the activity interval ended in the past.
-func (a *Alert) Resolved() bool {
- return a.ResolvedAt(time.Now())
-}
-
-// ResolvedAt returns true off the activity interval ended before
-// the given timestamp.
-func (a *Alert) ResolvedAt(ts time.Time) bool {
- if a.EndsAt.IsZero() {
- return false
- }
- return !a.EndsAt.After(ts)
-}
-
-// Status returns the status of the alert.
-func (a *Alert) Status() AlertStatus {
- if a.Resolved() {
- return AlertResolved
- }
- return AlertFiring
-}
-
-// Validate checks whether the alert data is inconsistent.
-func (a *Alert) Validate() error {
- if a.StartsAt.IsZero() {
- return fmt.Errorf("start time missing")
- }
- if !a.EndsAt.IsZero() && a.EndsAt.Before(a.StartsAt) {
- return fmt.Errorf("start time must be before end time")
- }
- if err := a.Labels.Validate(); err != nil {
- return fmt.Errorf("invalid label set: %s", err)
- }
- if len(a.Labels) == 0 {
- return fmt.Errorf("at least one label pair required")
- }
- if err := a.Annotations.Validate(); err != nil {
- return fmt.Errorf("invalid annotations: %s", err)
- }
- return nil
-}
-
-// Alert is a list of alerts that can be sorted in chronological order.
-type Alerts []*Alert
-
-func (as Alerts) Len() int { return len(as) }
-func (as Alerts) Swap(i, j int) { as[i], as[j] = as[j], as[i] }
-
-func (as Alerts) Less(i, j int) bool {
- if as[i].StartsAt.Before(as[j].StartsAt) {
- return true
- }
- if as[i].EndsAt.Before(as[j].EndsAt) {
- return true
- }
- return as[i].Fingerprint() < as[j].Fingerprint()
-}
-
-// HasFiring returns true iff one of the alerts is not resolved.
-func (as Alerts) HasFiring() bool {
- for _, a := range as {
- if !a.Resolved() {
- return true
- }
- }
- return false
-}
-
-// Status returns StatusFiring iff at least one of the alerts is firing.
-func (as Alerts) Status() AlertStatus {
- if as.HasFiring() {
- return AlertFiring
- }
- return AlertResolved
-}
diff --git a/vendor/github.com/prometheus/common/model/fingerprinting.go b/vendor/github.com/prometheus/common/model/fingerprinting.go
deleted file mode 100644
index fc4de4106..000000000
--- a/vendor/github.com/prometheus/common/model/fingerprinting.go
+++ /dev/null
@@ -1,105 +0,0 @@
-// Copyright 2013 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "fmt"
- "strconv"
-)
-
-// Fingerprint provides a hash-capable representation of a Metric.
-// For our purposes, FNV-1A 64-bit is used.
-type Fingerprint uint64
-
-// FingerprintFromString transforms a string representation into a Fingerprint.
-func FingerprintFromString(s string) (Fingerprint, error) {
- num, err := strconv.ParseUint(s, 16, 64)
- return Fingerprint(num), err
-}
-
-// ParseFingerprint parses the input string into a fingerprint.
-func ParseFingerprint(s string) (Fingerprint, error) {
- num, err := strconv.ParseUint(s, 16, 64)
- if err != nil {
- return 0, err
- }
- return Fingerprint(num), nil
-}
-
-func (f Fingerprint) String() string {
- return fmt.Sprintf("%016x", uint64(f))
-}
-
-// Fingerprints represents a collection of Fingerprint subject to a given
-// natural sorting scheme. It implements sort.Interface.
-type Fingerprints []Fingerprint
-
-// Len implements sort.Interface.
-func (f Fingerprints) Len() int {
- return len(f)
-}
-
-// Less implements sort.Interface.
-func (f Fingerprints) Less(i, j int) bool {
- return f[i] < f[j]
-}
-
-// Swap implements sort.Interface.
-func (f Fingerprints) Swap(i, j int) {
- f[i], f[j] = f[j], f[i]
-}
-
-// FingerprintSet is a set of Fingerprints.
-type FingerprintSet map[Fingerprint]struct{}
-
-// Equal returns true if both sets contain the same elements (and not more).
-func (s FingerprintSet) Equal(o FingerprintSet) bool {
- if len(s) != len(o) {
- return false
- }
-
- for k := range s {
- if _, ok := o[k]; !ok {
- return false
- }
- }
-
- return true
-}
-
-// Intersection returns the elements contained in both sets.
-func (s FingerprintSet) Intersection(o FingerprintSet) FingerprintSet {
- myLength, otherLength := len(s), len(o)
- if myLength == 0 || otherLength == 0 {
- return FingerprintSet{}
- }
-
- subSet := s
- superSet := o
-
- if otherLength < myLength {
- subSet = o
- superSet = s
- }
-
- out := FingerprintSet{}
-
- for k := range subSet {
- if _, ok := superSet[k]; ok {
- out[k] = struct{}{}
- }
- }
-
- return out
-}
diff --git a/vendor/github.com/prometheus/common/model/fnv.go b/vendor/github.com/prometheus/common/model/fnv.go
deleted file mode 100644
index 038fc1c90..000000000
--- a/vendor/github.com/prometheus/common/model/fnv.go
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright 2015 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-// Inline and byte-free variant of hash/fnv's fnv64a.
-
-const (
- offset64 = 14695981039346656037
- prime64 = 1099511628211
-)
-
-// hashNew initializies a new fnv64a hash value.
-func hashNew() uint64 {
- return offset64
-}
-
-// hashAdd adds a string to a fnv64a hash value, returning the updated hash.
-func hashAdd(h uint64, s string) uint64 {
- for i := 0; i < len(s); i++ {
- h ^= uint64(s[i])
- h *= prime64
- }
- return h
-}
-
-// hashAddByte adds a byte to a fnv64a hash value, returning the updated hash.
-func hashAddByte(h uint64, b byte) uint64 {
- h ^= uint64(b)
- h *= prime64
- return h
-}
diff --git a/vendor/github.com/prometheus/common/model/labels.go b/vendor/github.com/prometheus/common/model/labels.go
deleted file mode 100644
index 41051a01a..000000000
--- a/vendor/github.com/prometheus/common/model/labels.go
+++ /dev/null
@@ -1,210 +0,0 @@
-// Copyright 2013 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "encoding/json"
- "fmt"
- "regexp"
- "strings"
- "unicode/utf8"
-)
-
-const (
- // AlertNameLabel is the name of the label containing the an alert's name.
- AlertNameLabel = "alertname"
-
- // ExportedLabelPrefix is the prefix to prepend to the label names present in
- // exported metrics if a label of the same name is added by the server.
- ExportedLabelPrefix = "exported_"
-
- // MetricNameLabel is the label name indicating the metric name of a
- // timeseries.
- MetricNameLabel = "__name__"
-
- // SchemeLabel is the name of the label that holds the scheme on which to
- // scrape a target.
- SchemeLabel = "__scheme__"
-
- // AddressLabel is the name of the label that holds the address of
- // a scrape target.
- AddressLabel = "__address__"
-
- // MetricsPathLabel is the name of the label that holds the path on which to
- // scrape a target.
- MetricsPathLabel = "__metrics_path__"
-
- // ReservedLabelPrefix is a prefix which is not legal in user-supplied
- // label names.
- ReservedLabelPrefix = "__"
-
- // MetaLabelPrefix is a prefix for labels that provide meta information.
- // Labels with this prefix are used for intermediate label processing and
- // will not be attached to time series.
- MetaLabelPrefix = "__meta_"
-
- // TmpLabelPrefix is a prefix for temporary labels as part of relabelling.
- // Labels with this prefix are used for intermediate label processing and
- // will not be attached to time series. This is reserved for use in
- // Prometheus configuration files by users.
- TmpLabelPrefix = "__tmp_"
-
- // ParamLabelPrefix is a prefix for labels that provide URL parameters
- // used to scrape a target.
- ParamLabelPrefix = "__param_"
-
- // JobLabel is the label name indicating the job from which a timeseries
- // was scraped.
- JobLabel = "job"
-
- // InstanceLabel is the label name used for the instance label.
- InstanceLabel = "instance"
-
- // BucketLabel is used for the label that defines the upper bound of a
- // bucket of a histogram ("le" -> "less or equal").
- BucketLabel = "le"
-
- // QuantileLabel is used for the label that defines the quantile in a
- // summary.
- QuantileLabel = "quantile"
-)
-
-// LabelNameRE is a regular expression matching valid label names. Note that the
-// IsValid method of LabelName performs the same check but faster than a match
-// with this regular expression.
-var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$")
-
-// A LabelName is a key for a LabelSet or Metric. It has a value associated
-// therewith.
-type LabelName string
-
-// IsValid is true iff the label name matches the pattern of LabelNameRE. This
-// method, however, does not use LabelNameRE for the check but a much faster
-// hardcoded implementation.
-func (ln LabelName) IsValid() bool {
- if len(ln) == 0 {
- return false
- }
- for i, b := range ln {
- if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) {
- return false
- }
- }
- return true
-}
-
-// UnmarshalYAML implements the yaml.Unmarshaler interface.
-func (ln *LabelName) UnmarshalYAML(unmarshal func(interface{}) error) error {
- var s string
- if err := unmarshal(&s); err != nil {
- return err
- }
- if !LabelName(s).IsValid() {
- return fmt.Errorf("%q is not a valid label name", s)
- }
- *ln = LabelName(s)
- return nil
-}
-
-// UnmarshalJSON implements the json.Unmarshaler interface.
-func (ln *LabelName) UnmarshalJSON(b []byte) error {
- var s string
- if err := json.Unmarshal(b, &s); err != nil {
- return err
- }
- if !LabelName(s).IsValid() {
- return fmt.Errorf("%q is not a valid label name", s)
- }
- *ln = LabelName(s)
- return nil
-}
-
-// LabelNames is a sortable LabelName slice. In implements sort.Interface.
-type LabelNames []LabelName
-
-func (l LabelNames) Len() int {
- return len(l)
-}
-
-func (l LabelNames) Less(i, j int) bool {
- return l[i] < l[j]
-}
-
-func (l LabelNames) Swap(i, j int) {
- l[i], l[j] = l[j], l[i]
-}
-
-func (l LabelNames) String() string {
- labelStrings := make([]string, 0, len(l))
- for _, label := range l {
- labelStrings = append(labelStrings, string(label))
- }
- return strings.Join(labelStrings, ", ")
-}
-
-// A LabelValue is an associated value for a LabelName.
-type LabelValue string
-
-// IsValid returns true iff the string is a valid UTF8.
-func (lv LabelValue) IsValid() bool {
- return utf8.ValidString(string(lv))
-}
-
-// LabelValues is a sortable LabelValue slice. It implements sort.Interface.
-type LabelValues []LabelValue
-
-func (l LabelValues) Len() int {
- return len(l)
-}
-
-func (l LabelValues) Less(i, j int) bool {
- return string(l[i]) < string(l[j])
-}
-
-func (l LabelValues) Swap(i, j int) {
- l[i], l[j] = l[j], l[i]
-}
-
-// LabelPair pairs a name with a value.
-type LabelPair struct {
- Name LabelName
- Value LabelValue
-}
-
-// LabelPairs is a sortable slice of LabelPair pointers. It implements
-// sort.Interface.
-type LabelPairs []*LabelPair
-
-func (l LabelPairs) Len() int {
- return len(l)
-}
-
-func (l LabelPairs) Less(i, j int) bool {
- switch {
- case l[i].Name > l[j].Name:
- return false
- case l[i].Name < l[j].Name:
- return true
- case l[i].Value > l[j].Value:
- return false
- case l[i].Value < l[j].Value:
- return true
- default:
- return false
- }
-}
-
-func (l LabelPairs) Swap(i, j int) {
- l[i], l[j] = l[j], l[i]
-}
diff --git a/vendor/github.com/prometheus/common/model/labelset.go b/vendor/github.com/prometheus/common/model/labelset.go
deleted file mode 100644
index 6eda08a73..000000000
--- a/vendor/github.com/prometheus/common/model/labelset.go
+++ /dev/null
@@ -1,169 +0,0 @@
-// Copyright 2013 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "encoding/json"
- "fmt"
- "sort"
- "strings"
-)
-
-// A LabelSet is a collection of LabelName and LabelValue pairs. The LabelSet
-// may be fully-qualified down to the point where it may resolve to a single
-// Metric in the data store or not. All operations that occur within the realm
-// of a LabelSet can emit a vector of Metric entities to which the LabelSet may
-// match.
-type LabelSet map[LabelName]LabelValue
-
-// Validate checks whether all names and values in the label set
-// are valid.
-func (ls LabelSet) Validate() error {
- for ln, lv := range ls {
- if !ln.IsValid() {
- return fmt.Errorf("invalid name %q", ln)
- }
- if !lv.IsValid() {
- return fmt.Errorf("invalid value %q", lv)
- }
- }
- return nil
-}
-
-// Equal returns true iff both label sets have exactly the same key/value pairs.
-func (ls LabelSet) Equal(o LabelSet) bool {
- if len(ls) != len(o) {
- return false
- }
- for ln, lv := range ls {
- olv, ok := o[ln]
- if !ok {
- return false
- }
- if olv != lv {
- return false
- }
- }
- return true
-}
-
-// Before compares the metrics, using the following criteria:
-//
-// If m has fewer labels than o, it is before o. If it has more, it is not.
-//
-// If the number of labels is the same, the superset of all label names is
-// sorted alphanumerically. The first differing label pair found in that order
-// determines the outcome: If the label does not exist at all in m, then m is
-// before o, and vice versa. Otherwise the label value is compared
-// alphanumerically.
-//
-// If m and o are equal, the method returns false.
-func (ls LabelSet) Before(o LabelSet) bool {
- if len(ls) < len(o) {
- return true
- }
- if len(ls) > len(o) {
- return false
- }
-
- lns := make(LabelNames, 0, len(ls)+len(o))
- for ln := range ls {
- lns = append(lns, ln)
- }
- for ln := range o {
- lns = append(lns, ln)
- }
- // It's probably not worth it to de-dup lns.
- sort.Sort(lns)
- for _, ln := range lns {
- mlv, ok := ls[ln]
- if !ok {
- return true
- }
- olv, ok := o[ln]
- if !ok {
- return false
- }
- if mlv < olv {
- return true
- }
- if mlv > olv {
- return false
- }
- }
- return false
-}
-
-// Clone returns a copy of the label set.
-func (ls LabelSet) Clone() LabelSet {
- lsn := make(LabelSet, len(ls))
- for ln, lv := range ls {
- lsn[ln] = lv
- }
- return lsn
-}
-
-// Merge is a helper function to non-destructively merge two label sets.
-func (l LabelSet) Merge(other LabelSet) LabelSet {
- result := make(LabelSet, len(l))
-
- for k, v := range l {
- result[k] = v
- }
-
- for k, v := range other {
- result[k] = v
- }
-
- return result
-}
-
-func (l LabelSet) String() string {
- lstrs := make([]string, 0, len(l))
- for l, v := range l {
- lstrs = append(lstrs, fmt.Sprintf("%s=%q", l, v))
- }
-
- sort.Strings(lstrs)
- return fmt.Sprintf("{%s}", strings.Join(lstrs, ", "))
-}
-
-// Fingerprint returns the LabelSet's fingerprint.
-func (ls LabelSet) Fingerprint() Fingerprint {
- return labelSetToFingerprint(ls)
-}
-
-// FastFingerprint returns the LabelSet's Fingerprint calculated by a faster hashing
-// algorithm, which is, however, more susceptible to hash collisions.
-func (ls LabelSet) FastFingerprint() Fingerprint {
- return labelSetToFastFingerprint(ls)
-}
-
-// UnmarshalJSON implements the json.Unmarshaler interface.
-func (l *LabelSet) UnmarshalJSON(b []byte) error {
- var m map[LabelName]LabelValue
- if err := json.Unmarshal(b, &m); err != nil {
- return err
- }
- // encoding/json only unmarshals maps of the form map[string]T. It treats
- // LabelName as a string and does not call its UnmarshalJSON method.
- // Thus, we have to replicate the behavior here.
- for ln := range m {
- if !ln.IsValid() {
- return fmt.Errorf("%q is not a valid label name", ln)
- }
- }
- *l = LabelSet(m)
- return nil
-}
diff --git a/vendor/github.com/prometheus/common/model/metric.go b/vendor/github.com/prometheus/common/model/metric.go
deleted file mode 100644
index f7250909b..000000000
--- a/vendor/github.com/prometheus/common/model/metric.go
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright 2013 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "fmt"
- "regexp"
- "sort"
- "strings"
-)
-
-var (
- separator = []byte{0}
- // MetricNameRE is a regular expression matching valid metric
- // names. Note that the IsValidMetricName function performs the same
- // check but faster than a match with this regular expression.
- MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`)
-)
-
-// A Metric is similar to a LabelSet, but the key difference is that a Metric is
-// a singleton and refers to one and only one stream of samples.
-type Metric LabelSet
-
-// Equal compares the metrics.
-func (m Metric) Equal(o Metric) bool {
- return LabelSet(m).Equal(LabelSet(o))
-}
-
-// Before compares the metrics' underlying label sets.
-func (m Metric) Before(o Metric) bool {
- return LabelSet(m).Before(LabelSet(o))
-}
-
-// Clone returns a copy of the Metric.
-func (m Metric) Clone() Metric {
- clone := make(Metric, len(m))
- for k, v := range m {
- clone[k] = v
- }
- return clone
-}
-
-func (m Metric) String() string {
- metricName, hasName := m[MetricNameLabel]
- numLabels := len(m) - 1
- if !hasName {
- numLabels = len(m)
- }
- labelStrings := make([]string, 0, numLabels)
- for label, value := range m {
- if label != MetricNameLabel {
- labelStrings = append(labelStrings, fmt.Sprintf("%s=%q", label, value))
- }
- }
-
- switch numLabels {
- case 0:
- if hasName {
- return string(metricName)
- }
- return "{}"
- default:
- sort.Strings(labelStrings)
- return fmt.Sprintf("%s{%s}", metricName, strings.Join(labelStrings, ", "))
- }
-}
-
-// Fingerprint returns a Metric's Fingerprint.
-func (m Metric) Fingerprint() Fingerprint {
- return LabelSet(m).Fingerprint()
-}
-
-// FastFingerprint returns a Metric's Fingerprint calculated by a faster hashing
-// algorithm, which is, however, more susceptible to hash collisions.
-func (m Metric) FastFingerprint() Fingerprint {
- return LabelSet(m).FastFingerprint()
-}
-
-// IsValidMetricName returns true iff name matches the pattern of MetricNameRE.
-// This function, however, does not use MetricNameRE for the check but a much
-// faster hardcoded implementation.
-func IsValidMetricName(n LabelValue) bool {
- if len(n) == 0 {
- return false
- }
- for i, b := range n {
- if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)) {
- return false
- }
- }
- return true
-}
diff --git a/vendor/github.com/prometheus/common/model/model.go b/vendor/github.com/prometheus/common/model/model.go
deleted file mode 100644
index a7b969170..000000000
--- a/vendor/github.com/prometheus/common/model/model.go
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2013 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package model contains common data structures that are shared across
-// Prometheus components and libraries.
-package model
diff --git a/vendor/github.com/prometheus/common/model/signature.go b/vendor/github.com/prometheus/common/model/signature.go
deleted file mode 100644
index 8762b13c6..000000000
--- a/vendor/github.com/prometheus/common/model/signature.go
+++ /dev/null
@@ -1,144 +0,0 @@
-// Copyright 2014 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "sort"
-)
-
-// SeparatorByte is a byte that cannot occur in valid UTF-8 sequences and is
-// used to separate label names, label values, and other strings from each other
-// when calculating their combined hash value (aka signature aka fingerprint).
-const SeparatorByte byte = 255
-
-var (
- // cache the signature of an empty label set.
- emptyLabelSignature = hashNew()
-)
-
-// LabelsToSignature returns a quasi-unique signature (i.e., fingerprint) for a
-// given label set. (Collisions are possible but unlikely if the number of label
-// sets the function is applied to is small.)
-func LabelsToSignature(labels map[string]string) uint64 {
- if len(labels) == 0 {
- return emptyLabelSignature
- }
-
- labelNames := make([]string, 0, len(labels))
- for labelName := range labels {
- labelNames = append(labelNames, labelName)
- }
- sort.Strings(labelNames)
-
- sum := hashNew()
- for _, labelName := range labelNames {
- sum = hashAdd(sum, labelName)
- sum = hashAddByte(sum, SeparatorByte)
- sum = hashAdd(sum, labels[labelName])
- sum = hashAddByte(sum, SeparatorByte)
- }
- return sum
-}
-
-// labelSetToFingerprint works exactly as LabelsToSignature but takes a LabelSet as
-// parameter (rather than a label map) and returns a Fingerprint.
-func labelSetToFingerprint(ls LabelSet) Fingerprint {
- if len(ls) == 0 {
- return Fingerprint(emptyLabelSignature)
- }
-
- labelNames := make(LabelNames, 0, len(ls))
- for labelName := range ls {
- labelNames = append(labelNames, labelName)
- }
- sort.Sort(labelNames)
-
- sum := hashNew()
- for _, labelName := range labelNames {
- sum = hashAdd(sum, string(labelName))
- sum = hashAddByte(sum, SeparatorByte)
- sum = hashAdd(sum, string(ls[labelName]))
- sum = hashAddByte(sum, SeparatorByte)
- }
- return Fingerprint(sum)
-}
-
-// labelSetToFastFingerprint works similar to labelSetToFingerprint but uses a
-// faster and less allocation-heavy hash function, which is more susceptible to
-// create hash collisions. Therefore, collision detection should be applied.
-func labelSetToFastFingerprint(ls LabelSet) Fingerprint {
- if len(ls) == 0 {
- return Fingerprint(emptyLabelSignature)
- }
-
- var result uint64
- for labelName, labelValue := range ls {
- sum := hashNew()
- sum = hashAdd(sum, string(labelName))
- sum = hashAddByte(sum, SeparatorByte)
- sum = hashAdd(sum, string(labelValue))
- result ^= sum
- }
- return Fingerprint(result)
-}
-
-// SignatureForLabels works like LabelsToSignature but takes a Metric as
-// parameter (rather than a label map) and only includes the labels with the
-// specified LabelNames into the signature calculation. The labels passed in
-// will be sorted by this function.
-func SignatureForLabels(m Metric, labels ...LabelName) uint64 {
- if len(labels) == 0 {
- return emptyLabelSignature
- }
-
- sort.Sort(LabelNames(labels))
-
- sum := hashNew()
- for _, label := range labels {
- sum = hashAdd(sum, string(label))
- sum = hashAddByte(sum, SeparatorByte)
- sum = hashAdd(sum, string(m[label]))
- sum = hashAddByte(sum, SeparatorByte)
- }
- return sum
-}
-
-// SignatureWithoutLabels works like LabelsToSignature but takes a Metric as
-// parameter (rather than a label map) and excludes the labels with any of the
-// specified LabelNames from the signature calculation.
-func SignatureWithoutLabels(m Metric, labels map[LabelName]struct{}) uint64 {
- if len(m) == 0 {
- return emptyLabelSignature
- }
-
- labelNames := make(LabelNames, 0, len(m))
- for labelName := range m {
- if _, exclude := labels[labelName]; !exclude {
- labelNames = append(labelNames, labelName)
- }
- }
- if len(labelNames) == 0 {
- return emptyLabelSignature
- }
- sort.Sort(labelNames)
-
- sum := hashNew()
- for _, labelName := range labelNames {
- sum = hashAdd(sum, string(labelName))
- sum = hashAddByte(sum, SeparatorByte)
- sum = hashAdd(sum, string(m[labelName]))
- sum = hashAddByte(sum, SeparatorByte)
- }
- return sum
-}
diff --git a/vendor/github.com/prometheus/common/model/silence.go b/vendor/github.com/prometheus/common/model/silence.go
deleted file mode 100644
index 7538e2997..000000000
--- a/vendor/github.com/prometheus/common/model/silence.go
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright 2015 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "encoding/json"
- "fmt"
- "regexp"
- "time"
-)
-
-// Matcher describes a matches the value of a given label.
-type Matcher struct {
- Name LabelName `json:"name"`
- Value string `json:"value"`
- IsRegex bool `json:"isRegex"`
-}
-
-func (m *Matcher) UnmarshalJSON(b []byte) error {
- type plain Matcher
- if err := json.Unmarshal(b, (*plain)(m)); err != nil {
- return err
- }
-
- if len(m.Name) == 0 {
- return fmt.Errorf("label name in matcher must not be empty")
- }
- if m.IsRegex {
- if _, err := regexp.Compile(m.Value); err != nil {
- return err
- }
- }
- return nil
-}
-
-// Validate returns true iff all fields of the matcher have valid values.
-func (m *Matcher) Validate() error {
- if !m.Name.IsValid() {
- return fmt.Errorf("invalid name %q", m.Name)
- }
- if m.IsRegex {
- if _, err := regexp.Compile(m.Value); err != nil {
- return fmt.Errorf("invalid regular expression %q", m.Value)
- }
- } else if !LabelValue(m.Value).IsValid() || len(m.Value) == 0 {
- return fmt.Errorf("invalid value %q", m.Value)
- }
- return nil
-}
-
-// Silence defines the representation of a silence definiton
-// in the Prometheus eco-system.
-type Silence struct {
- ID uint64 `json:"id,omitempty"`
-
- Matchers []*Matcher `json:"matchers"`
-
- StartsAt time.Time `json:"startsAt"`
- EndsAt time.Time `json:"endsAt"`
-
- CreatedAt time.Time `json:"createdAt,omitempty"`
- CreatedBy string `json:"createdBy"`
- Comment string `json:"comment,omitempty"`
-}
-
-// Validate returns true iff all fields of the silence have valid values.
-func (s *Silence) Validate() error {
- if len(s.Matchers) == 0 {
- return fmt.Errorf("at least one matcher required")
- }
- for _, m := range s.Matchers {
- if err := m.Validate(); err != nil {
- return fmt.Errorf("invalid matcher: %s", err)
- }
- }
- if s.StartsAt.IsZero() {
- return fmt.Errorf("start time missing")
- }
- if s.EndsAt.IsZero() {
- return fmt.Errorf("end time missing")
- }
- if s.EndsAt.Before(s.StartsAt) {
- return fmt.Errorf("start time must be before end time")
- }
- if s.CreatedBy == "" {
- return fmt.Errorf("creator information missing")
- }
- if s.Comment == "" {
- return fmt.Errorf("comment missing")
- }
- if s.CreatedAt.IsZero() {
- return fmt.Errorf("creation timestamp missing")
- }
- return nil
-}
diff --git a/vendor/github.com/prometheus/common/model/time.go b/vendor/github.com/prometheus/common/model/time.go
deleted file mode 100644
index 548968aeb..000000000
--- a/vendor/github.com/prometheus/common/model/time.go
+++ /dev/null
@@ -1,249 +0,0 @@
-// Copyright 2013 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "fmt"
- "math"
- "regexp"
- "strconv"
- "strings"
- "time"
-)
-
-const (
- // MinimumTick is the minimum supported time resolution. This has to be
- // at least time.Second in order for the code below to work.
- minimumTick = time.Millisecond
- // second is the Time duration equivalent to one second.
- second = int64(time.Second / minimumTick)
- // The number of nanoseconds per minimum tick.
- nanosPerTick = int64(minimumTick / time.Nanosecond)
-
- // Earliest is the earliest Time representable. Handy for
- // initializing a high watermark.
- Earliest = Time(math.MinInt64)
- // Latest is the latest Time representable. Handy for initializing
- // a low watermark.
- Latest = Time(math.MaxInt64)
-)
-
-// Time is the number of milliseconds since the epoch
-// (1970-01-01 00:00 UTC) excluding leap seconds.
-type Time int64
-
-// Interval describes and interval between two timestamps.
-type Interval struct {
- Start, End Time
-}
-
-// Now returns the current time as a Time.
-func Now() Time {
- return TimeFromUnixNano(time.Now().UnixNano())
-}
-
-// TimeFromUnix returns the Time equivalent to the Unix Time t
-// provided in seconds.
-func TimeFromUnix(t int64) Time {
- return Time(t * second)
-}
-
-// TimeFromUnixNano returns the Time equivalent to the Unix Time
-// t provided in nanoseconds.
-func TimeFromUnixNano(t int64) Time {
- return Time(t / nanosPerTick)
-}
-
-// Equal reports whether two Times represent the same instant.
-func (t Time) Equal(o Time) bool {
- return t == o
-}
-
-// Before reports whether the Time t is before o.
-func (t Time) Before(o Time) bool {
- return t < o
-}
-
-// After reports whether the Time t is after o.
-func (t Time) After(o Time) bool {
- return t > o
-}
-
-// Add returns the Time t + d.
-func (t Time) Add(d time.Duration) Time {
- return t + Time(d/minimumTick)
-}
-
-// Sub returns the Duration t - o.
-func (t Time) Sub(o Time) time.Duration {
- return time.Duration(t-o) * minimumTick
-}
-
-// Time returns the time.Time representation of t.
-func (t Time) Time() time.Time {
- return time.Unix(int64(t)/second, (int64(t)%second)*nanosPerTick)
-}
-
-// Unix returns t as a Unix time, the number of seconds elapsed
-// since January 1, 1970 UTC.
-func (t Time) Unix() int64 {
- return int64(t) / second
-}
-
-// UnixNano returns t as a Unix time, the number of nanoseconds elapsed
-// since January 1, 1970 UTC.
-func (t Time) UnixNano() int64 {
- return int64(t) * nanosPerTick
-}
-
-// The number of digits after the dot.
-var dotPrecision = int(math.Log10(float64(second)))
-
-// String returns a string representation of the Time.
-func (t Time) String() string {
- return strconv.FormatFloat(float64(t)/float64(second), 'f', -1, 64)
-}
-
-// MarshalJSON implements the json.Marshaler interface.
-func (t Time) MarshalJSON() ([]byte, error) {
- return []byte(t.String()), nil
-}
-
-// UnmarshalJSON implements the json.Unmarshaler interface.
-func (t *Time) UnmarshalJSON(b []byte) error {
- p := strings.Split(string(b), ".")
- switch len(p) {
- case 1:
- v, err := strconv.ParseInt(string(p[0]), 10, 64)
- if err != nil {
- return err
- }
- *t = Time(v * second)
-
- case 2:
- v, err := strconv.ParseInt(string(p[0]), 10, 64)
- if err != nil {
- return err
- }
- v *= second
-
- prec := dotPrecision - len(p[1])
- if prec < 0 {
- p[1] = p[1][:dotPrecision]
- } else if prec > 0 {
- p[1] = p[1] + strings.Repeat("0", prec)
- }
-
- va, err := strconv.ParseInt(p[1], 10, 32)
- if err != nil {
- return err
- }
-
- *t = Time(v + va)
-
- default:
- return fmt.Errorf("invalid time %q", string(b))
- }
- return nil
-}
-
-// Duration wraps time.Duration. It is used to parse the custom duration format
-// from YAML.
-// This type should not propagate beyond the scope of input/output processing.
-type Duration time.Duration
-
-var durationRE = regexp.MustCompile("^([0-9]+)(y|w|d|h|m|s|ms)$")
-
-// StringToDuration parses a string into a time.Duration, assuming that a year
-// always has 365d, a week always has 7d, and a day always has 24h.
-func ParseDuration(durationStr string) (Duration, error) {
- matches := durationRE.FindStringSubmatch(durationStr)
- if len(matches) != 3 {
- return 0, fmt.Errorf("not a valid duration string: %q", durationStr)
- }
- var (
- n, _ = strconv.Atoi(matches[1])
- dur = time.Duration(n) * time.Millisecond
- )
- switch unit := matches[2]; unit {
- case "y":
- dur *= 1000 * 60 * 60 * 24 * 365
- case "w":
- dur *= 1000 * 60 * 60 * 24 * 7
- case "d":
- dur *= 1000 * 60 * 60 * 24
- case "h":
- dur *= 1000 * 60 * 60
- case "m":
- dur *= 1000 * 60
- case "s":
- dur *= 1000
- case "ms":
- // Value already correct
- default:
- return 0, fmt.Errorf("invalid time unit in duration string: %q", unit)
- }
- return Duration(dur), nil
-}
-
-func (d Duration) String() string {
- var (
- ms = int64(time.Duration(d) / time.Millisecond)
- unit = "ms"
- )
- factors := map[string]int64{
- "y": 1000 * 60 * 60 * 24 * 365,
- "w": 1000 * 60 * 60 * 24 * 7,
- "d": 1000 * 60 * 60 * 24,
- "h": 1000 * 60 * 60,
- "m": 1000 * 60,
- "s": 1000,
- "ms": 1,
- }
-
- switch int64(0) {
- case ms % factors["y"]:
- unit = "y"
- case ms % factors["w"]:
- unit = "w"
- case ms % factors["d"]:
- unit = "d"
- case ms % factors["h"]:
- unit = "h"
- case ms % factors["m"]:
- unit = "m"
- case ms % factors["s"]:
- unit = "s"
- }
- return fmt.Sprintf("%v%v", ms/factors[unit], unit)
-}
-
-// MarshalYAML implements the yaml.Marshaler interface.
-func (d Duration) MarshalYAML() (interface{}, error) {
- return d.String(), nil
-}
-
-// UnmarshalYAML implements the yaml.Unmarshaler interface.
-func (d *Duration) UnmarshalYAML(unmarshal func(interface{}) error) error {
- var s string
- if err := unmarshal(&s); err != nil {
- return err
- }
- dur, err := ParseDuration(s)
- if err != nil {
- return err
- }
- *d = dur
- return nil
-}
diff --git a/vendor/github.com/prometheus/common/model/value.go b/vendor/github.com/prometheus/common/model/value.go
deleted file mode 100644
index c9ed3ffd8..000000000
--- a/vendor/github.com/prometheus/common/model/value.go
+++ /dev/null
@@ -1,416 +0,0 @@
-// Copyright 2013 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package model
-
-import (
- "encoding/json"
- "fmt"
- "math"
- "sort"
- "strconv"
- "strings"
-)
-
-var (
- // ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a
- // non-existing sample pair. It is a SamplePair with timestamp Earliest and
- // value 0.0. Note that the natural zero value of SamplePair has a timestamp
- // of 0, which is possible to appear in a real SamplePair and thus not
- // suitable to signal a non-existing SamplePair.
- ZeroSamplePair = SamplePair{Timestamp: Earliest}
-
- // ZeroSample is the pseudo zero-value of Sample used to signal a
- // non-existing sample. It is a Sample with timestamp Earliest, value 0.0,
- // and metric nil. Note that the natural zero value of Sample has a timestamp
- // of 0, which is possible to appear in a real Sample and thus not suitable
- // to signal a non-existing Sample.
- ZeroSample = Sample{Timestamp: Earliest}
-)
-
-// A SampleValue is a representation of a value for a given sample at a given
-// time.
-type SampleValue float64
-
-// MarshalJSON implements json.Marshaler.
-func (v SampleValue) MarshalJSON() ([]byte, error) {
- return json.Marshal(v.String())
-}
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (v *SampleValue) UnmarshalJSON(b []byte) error {
- if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' {
- return fmt.Errorf("sample value must be a quoted string")
- }
- f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64)
- if err != nil {
- return err
- }
- *v = SampleValue(f)
- return nil
-}
-
-// Equal returns true if the value of v and o is equal or if both are NaN. Note
-// that v==o is false if both are NaN. If you want the conventional float
-// behavior, use == to compare two SampleValues.
-func (v SampleValue) Equal(o SampleValue) bool {
- if v == o {
- return true
- }
- return math.IsNaN(float64(v)) && math.IsNaN(float64(o))
-}
-
-func (v SampleValue) String() string {
- return strconv.FormatFloat(float64(v), 'f', -1, 64)
-}
-
-// SamplePair pairs a SampleValue with a Timestamp.
-type SamplePair struct {
- Timestamp Time
- Value SampleValue
-}
-
-// MarshalJSON implements json.Marshaler.
-func (s SamplePair) MarshalJSON() ([]byte, error) {
- t, err := json.Marshal(s.Timestamp)
- if err != nil {
- return nil, err
- }
- v, err := json.Marshal(s.Value)
- if err != nil {
- return nil, err
- }
- return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil
-}
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (s *SamplePair) UnmarshalJSON(b []byte) error {
- v := [...]json.Unmarshaler{&s.Timestamp, &s.Value}
- return json.Unmarshal(b, &v)
-}
-
-// Equal returns true if this SamplePair and o have equal Values and equal
-// Timestamps. The sematics of Value equality is defined by SampleValue.Equal.
-func (s *SamplePair) Equal(o *SamplePair) bool {
- return s == o || (s.Value.Equal(o.Value) && s.Timestamp.Equal(o.Timestamp))
-}
-
-func (s SamplePair) String() string {
- return fmt.Sprintf("%s @[%s]", s.Value, s.Timestamp)
-}
-
-// Sample is a sample pair associated with a metric.
-type Sample struct {
- Metric Metric `json:"metric"`
- Value SampleValue `json:"value"`
- Timestamp Time `json:"timestamp"`
-}
-
-// Equal compares first the metrics, then the timestamp, then the value. The
-// sematics of value equality is defined by SampleValue.Equal.
-func (s *Sample) Equal(o *Sample) bool {
- if s == o {
- return true
- }
-
- if !s.Metric.Equal(o.Metric) {
- return false
- }
- if !s.Timestamp.Equal(o.Timestamp) {
- return false
- }
-
- return s.Value.Equal(o.Value)
-}
-
-func (s Sample) String() string {
- return fmt.Sprintf("%s => %s", s.Metric, SamplePair{
- Timestamp: s.Timestamp,
- Value: s.Value,
- })
-}
-
-// MarshalJSON implements json.Marshaler.
-func (s Sample) MarshalJSON() ([]byte, error) {
- v := struct {
- Metric Metric `json:"metric"`
- Value SamplePair `json:"value"`
- }{
- Metric: s.Metric,
- Value: SamplePair{
- Timestamp: s.Timestamp,
- Value: s.Value,
- },
- }
-
- return json.Marshal(&v)
-}
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (s *Sample) UnmarshalJSON(b []byte) error {
- v := struct {
- Metric Metric `json:"metric"`
- Value SamplePair `json:"value"`
- }{
- Metric: s.Metric,
- Value: SamplePair{
- Timestamp: s.Timestamp,
- Value: s.Value,
- },
- }
-
- if err := json.Unmarshal(b, &v); err != nil {
- return err
- }
-
- s.Metric = v.Metric
- s.Timestamp = v.Value.Timestamp
- s.Value = v.Value.Value
-
- return nil
-}
-
-// Samples is a sortable Sample slice. It implements sort.Interface.
-type Samples []*Sample
-
-func (s Samples) Len() int {
- return len(s)
-}
-
-// Less compares first the metrics, then the timestamp.
-func (s Samples) Less(i, j int) bool {
- switch {
- case s[i].Metric.Before(s[j].Metric):
- return true
- case s[j].Metric.Before(s[i].Metric):
- return false
- case s[i].Timestamp.Before(s[j].Timestamp):
- return true
- default:
- return false
- }
-}
-
-func (s Samples) Swap(i, j int) {
- s[i], s[j] = s[j], s[i]
-}
-
-// Equal compares two sets of samples and returns true if they are equal.
-func (s Samples) Equal(o Samples) bool {
- if len(s) != len(o) {
- return false
- }
-
- for i, sample := range s {
- if !sample.Equal(o[i]) {
- return false
- }
- }
- return true
-}
-
-// SampleStream is a stream of Values belonging to an attached COWMetric.
-type SampleStream struct {
- Metric Metric `json:"metric"`
- Values []SamplePair `json:"values"`
-}
-
-func (ss SampleStream) String() string {
- vals := make([]string, len(ss.Values))
- for i, v := range ss.Values {
- vals[i] = v.String()
- }
- return fmt.Sprintf("%s =>\n%s", ss.Metric, strings.Join(vals, "\n"))
-}
-
-// Value is a generic interface for values resulting from a query evaluation.
-type Value interface {
- Type() ValueType
- String() string
-}
-
-func (Matrix) Type() ValueType { return ValMatrix }
-func (Vector) Type() ValueType { return ValVector }
-func (*Scalar) Type() ValueType { return ValScalar }
-func (*String) Type() ValueType { return ValString }
-
-type ValueType int
-
-const (
- ValNone ValueType = iota
- ValScalar
- ValVector
- ValMatrix
- ValString
-)
-
-// MarshalJSON implements json.Marshaler.
-func (et ValueType) MarshalJSON() ([]byte, error) {
- return json.Marshal(et.String())
-}
-
-func (et *ValueType) UnmarshalJSON(b []byte) error {
- var s string
- if err := json.Unmarshal(b, &s); err != nil {
- return err
- }
- switch s {
- case "<ValNone>":
- *et = ValNone
- case "scalar":
- *et = ValScalar
- case "vector":
- *et = ValVector
- case "matrix":
- *et = ValMatrix
- case "string":
- *et = ValString
- default:
- return fmt.Errorf("unknown value type %q", s)
- }
- return nil
-}
-
-func (e ValueType) String() string {
- switch e {
- case ValNone:
- return "<ValNone>"
- case ValScalar:
- return "scalar"
- case ValVector:
- return "vector"
- case ValMatrix:
- return "matrix"
- case ValString:
- return "string"
- }
- panic("ValueType.String: unhandled value type")
-}
-
-// Scalar is a scalar value evaluated at the set timestamp.
-type Scalar struct {
- Value SampleValue `json:"value"`
- Timestamp Time `json:"timestamp"`
-}
-
-func (s Scalar) String() string {
- return fmt.Sprintf("scalar: %v @[%v]", s.Value, s.Timestamp)
-}
-
-// MarshalJSON implements json.Marshaler.
-func (s Scalar) MarshalJSON() ([]byte, error) {
- v := strconv.FormatFloat(float64(s.Value), 'f', -1, 64)
- return json.Marshal([...]interface{}{s.Timestamp, string(v)})
-}
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (s *Scalar) UnmarshalJSON(b []byte) error {
- var f string
- v := [...]interface{}{&s.Timestamp, &f}
-
- if err := json.Unmarshal(b, &v); err != nil {
- return err
- }
-
- value, err := strconv.ParseFloat(f, 64)
- if err != nil {
- return fmt.Errorf("error parsing sample value: %s", err)
- }
- s.Value = SampleValue(value)
- return nil
-}
-
-// String is a string value evaluated at the set timestamp.
-type String struct {
- Value string `json:"value"`
- Timestamp Time `json:"timestamp"`
-}
-
-func (s *String) String() string {
- return s.Value
-}
-
-// MarshalJSON implements json.Marshaler.
-func (s String) MarshalJSON() ([]byte, error) {
- return json.Marshal([]interface{}{s.Timestamp, s.Value})
-}
-
-// UnmarshalJSON implements json.Unmarshaler.
-func (s *String) UnmarshalJSON(b []byte) error {
- v := [...]interface{}{&s.Timestamp, &s.Value}
- return json.Unmarshal(b, &v)
-}
-
-// Vector is basically only an alias for Samples, but the
-// contract is that in a Vector, all Samples have the same timestamp.
-type Vector []*Sample
-
-func (vec Vector) String() string {
- entries := make([]string, len(vec))
- for i, s := range vec {
- entries[i] = s.String()
- }
- return strings.Join(entries, "\n")
-}
-
-func (vec Vector) Len() int { return len(vec) }
-func (vec Vector) Swap(i, j int) { vec[i], vec[j] = vec[j], vec[i] }
-
-// Less compares first the metrics, then the timestamp.
-func (vec Vector) Less(i, j int) bool {
- switch {
- case vec[i].Metric.Before(vec[j].Metric):
- return true
- case vec[j].Metric.Before(vec[i].Metric):
- return false
- case vec[i].Timestamp.Before(vec[j].Timestamp):
- return true
- default:
- return false
- }
-}
-
-// Equal compares two sets of samples and returns true if they are equal.
-func (vec Vector) Equal(o Vector) bool {
- if len(vec) != len(o) {
- return false
- }
-
- for i, sample := range vec {
- if !sample.Equal(o[i]) {
- return false
- }
- }
- return true
-}
-
-// Matrix is a list of time series.
-type Matrix []*SampleStream
-
-func (m Matrix) Len() int { return len(m) }
-func (m Matrix) Less(i, j int) bool { return m[i].Metric.Before(m[j].Metric) }
-func (m Matrix) Swap(i, j int) { m[i], m[j] = m[j], m[i] }
-
-func (mat Matrix) String() string {
- matCp := make(Matrix, len(mat))
- copy(matCp, mat)
- sort.Sort(matCp)
-
- strs := make([]string, len(matCp))
-
- for i, ss := range matCp {
- strs[i] = ss.String()
- }
-
- return strings.Join(strs, "\n")
-}